Name | Label | Folder | |
---|---|---|---|
clusterid
Recoded Site ID for longitudinal models
|
Recoded Site ID for longitudinal models
The original Site ID was removed from the dataset because it was considered identifiable. This variable has obfuscated the original Site IDs. |
Administrative | |
new_pid
Original Participant ID
|
Original Participant ID
This is the participant identifier that is present on Biologic Specimen and Data Repository Information Coordinating Center (BioLINCC) datasets. Use |
Administrative | |
nsrrid
NSRR Subject Identifier
|
NSRR Subject Identifier
The National Sleep Research Resource (NSRR) subject identifer links the subject's data and files. Use |
Administrative | |
completer_per_protocol
Participant completed the study as per protocol
|
Participant completed the study as per protocol | Administrative/CONSORT Diagram Components | |
arm
Treatment Arm
|
Treatment Arm
The randomization code assigned by the Data Management System (DMS). |
Administrative/Randomization | |
ant3
Child's standing height
|
Child's standing height | Anthropometry | |
ant4
Child's weight
|
Child's weight | Anthropometry | |
ant5
Child's Body mass index (BMI)
|
Child's Body mass index (BMI) | Anthropometry | |
bmiz
Z-score for body mass index (BMI)-for-age
|
Z-score for body mass index (BMI)-for-age | Anthropometry | |
chol
Total cholesterol levels
|
Total cholesterol levels | Clinical Data/Laboratory Tests | |
crp_ug_ml
C-reactive protein (CRP) levels
|
C-reactive protein (CRP) levels | Clinical Data/Laboratory Tests | |
glucose_mmol
Blood glucose levels
|
Blood glucose levels | Clinical Data/Laboratory Tests | |
hdl_mg_dl
Blood high-density lipoprotein (HDL) levels
|
Blood high-density lipoprotein (HDL) levels | Clinical Data/Laboratory Tests | |
homa
Homeostasis Model Assessment (HOMA) estimate of insulin resistance
|
Homeostasis Model Assessment (HOMA) estimate of insulin resistance | Clinical Data/Laboratory Tests | |
insulin_uil_ml
Blood insulin levels
|
Blood insulin levels | Clinical Data/Laboratory Tests | |
ldl_mg_dl
Blood low-density lipoprotein (LDL) levels
|
Blood low-density lipoprotein (LDL) levels | Clinical Data/Laboratory Tests | |
sgl_mg_dl
Serum glucose levels
|
Serum glucose levels | Clinical Data/Laboratory Tests | |
trig
Triglyceride levels
|
Triglyceride levels | Clinical Data/Laboratory Tests | |
bri13b
GEC (BRI + MI) T score
|
GEC (BRI + MI) T score
From the Behavior Rating Inventory of Executive Function (BRIEF). Gioia G et al, 2010 |
Clinical Data/Neurocognitive Testing/Behavior Rating Inventory of Executive Function(BRIEF) | |
bri13b_tr
MI T score
|
MI T score
From the Behavior Rating Inventory of Executive Function (BRIEF). Gioia G et al, 2010 |
Clinical Data/Neurocognitive Testing/Behavior Rating Inventory of Executive Function(BRIEF)/Teacher's Form | |
nep10b_nepsy
Core Domain Scores Attn / Exec Scaled Scores
|
Core Domain Scores Attn / Exec Scaled Scores | Clinical Data/Neurocognitive Testing/NEPSY | |
bp41
Average systolic blood pressure
|
Average systolic blood pressure | Clinical Data/Vital Signs/Seated Blood Pressure | |
bp42
Average diastolic blood pressure
|
Average diastolic blood pressure | Clinical Data/Vital Signs/Seated Blood Pressure | |
chi2
Child's gender
|
Child's gender | Demographics | |
chi3
Child's ethnicity
|
Child's ethnicity | Demographics | |
child_age
Child's age rounded to the nearest quarter year
|
Child's age rounded to the nearest quarter year
Provided by the data contributor for a more precise age than the ageyear_at_meas integer value. At follow-up, computed as the baseline age plus the time to follow-up anthropometry measurements (ant1). |
Demographics | |
male
Child's gender
|
Child's gender | Demographics | |
race3
Child's race
|
Child's race | Demographics | |
chi5
Child's grade
|
Child's grade | Demographics/Education | |
nsrr_bmi
Body mass index (BMI)
|
Body mass index (BMI)
Harmonized by the NSRR team to align with TOPMed and BioDataCatalyst standards. Source: ant5 at Baseline |
Harmonized/Anthropometry | |
nsrr_bp_diastolic
Diastolic blood pressure
|
Diastolic blood pressure
Average resting diastolic blood pressure of three measurements collected from the upper arm in a single clinic visit. In cases where either of the measurements was missing, the average was calculated discarding the missing value. |
Harmonized/Clinical Data | |
nsrr_bp_systolic
Systolic blood pressure
|
Systolic blood pressure
Average resting systolic blood pressure of three measurements collected from the upper arm in a single clinic visit. In cases where either of the measurements was missing, the average was calculated discarding the missing value. |
Harmonized/Clinical Data | |
nsrr_age
Subject age
|
Subject age
Harmonized by the NSRR team to align with TOPMed and BioDataCatalyst standards. Source: child_age at Baseline |
Harmonized/Demographics | |
nsrr_age_gt89
Indicates whether the subject's age (in years) used during date obfuscation is greater than 89 years
|
Indicates whether the subject's age (in years) used during date obfuscation is greater than 89 years
Harmonized by the NSRR team to align with TOPMed and BioDataCatalyst standards. Source: ageyear_at_meas at Baseline |
Harmonized/Demographics | |
nsrr_ethnicity
Subject ethnicity
|
Subject ethnicity
Original missing value is recoded as "not reported". |
Harmonized/Demographics | |
nsrr_race
Subject race
|
Subject race
Harmonized by the NSRR team to align with TOPMed and BioDataCatalyst standards. Source: ref4 |
Harmonized/Demographics | |
nsrr_sex
Subject sex
|
Subject sex
Harmonized by the NSRR team to align with TOPMed and BioDataCatalyst standards. Source: male |
Harmonized/Demographics | |
nsrr_ahi_hp3r_aasm07
Apnea-Hypopnea Index : (All apneas + hypopneas with >=50% nasal cannula [or alternative sensor] reduction and >= 3% oxygen desaturation or with arousal) / hour of sleep
|
Apnea-Hypopnea Index : (All apneas + hypopneas with >=50% nasal cannula [or alternative sensor] reduction and >= 3% oxygen desaturation or with arousal) / hour of sleep
Harmonized by the NSRR team. |
Harmonized/Polysomnography/Apnea-Hypopnea Indices | |
nsrr_ahi_hp3u
Apnea-Hypopnea Index : (All apneas + hypopneas with >= 3% oxygen desaturation) / hour of sleep
|
Apnea-Hypopnea Index : (All apneas + hypopneas with >= 3% oxygen desaturation) / hour of sleep
Harmonized by the NSRR team. Refer to the source for detailed definition for respiratory events: ahi_a0h3 |
Harmonized/Polysomnography/Apnea-Hypopnea Indices | |
nsrr_ahi_hp4r
Apnea-Hypopnea Index : (All apneas + hypopneas with >= 4% oxygen desaturation or with arousal) / hour of sleep
|
Apnea-Hypopnea Index : (All apneas + hypopneas with >= 4% oxygen desaturation or with arousal) / hour of sleep
Harmonized by the NSRR team. Refer to the source for detailed definition for respiratory events: ahi_a0h4a |
Harmonized/Polysomnography/Apnea-Hypopnea Indices | |
nsrr_ahi_hp4u
Apnea-Hypopnea Index : (All apneas + hypopneas with >= 4% oxygen desaturation) / hour of sleep
|
Apnea-Hypopnea Index : (All apneas + hypopneas with >= 4% oxygen desaturation) / hour of sleep
Harmonized by the NSRR team. Refer to the source for detailed definition for respiratory events: ahi_a0h4 |
Harmonized/Polysomnography/Apnea-Hypopnea Indices | |
nsrr_phrnumar_f1
Arousal Index: Number of arousals per hour of sleep from polysomnography
|
Arousal Index: Number of arousals per hour of sleep from polysomnography
Harmonized by the NSRR team. Source: ai_all |
Harmonized/Polysomnography/Arousal | |
nsrr_flag_spsw
Study scored sleep/wake rather than with full sleep staging if there is not sufficient quality on EEG lead. Studies scored as sleep wake have all sleep stages scored using a default of Stage 2 and no arousals are scored.
|
Study scored sleep/wake rather than with full sleep staging if there is not sufficient quality on EEG lead. Studies scored as sleep wake have all sleep stages scored using a default of Stage 2 and no arousals are scored.
Harmonized by the NSRR team. Source: slewake |
Harmonized/Polysomnography/Signal Quality | |
nsrr_begtimbd_f1
Lights-out or In-bed clock time from polysomnography
|
Lights-out or In-bed clock time from polysomnography
Conventionally, this variable would be called the start of time in bed (TIB). |
Harmonized/Polysomnography/Sleep Architecture | |
nsrr_begtimsp_f1
Sleep onset time from polysomnography
|
Sleep onset time from polysomnography
Harmonized by the NSRR team. Source: stonsetp |
Harmonized/Polysomnography/Sleep Architecture | |
nsrr_endtimbd_f1
Lights-on or out-bed clock time from polysomnography
|
Lights-on or out-bed clock time from polysomnography
Conventionally, this variable would be called the end of time in bed (TIB). In this dataset, it concurs with the last epoch of sleep. |
Harmonized/Polysomnography/Sleep Architecture | |
nsrr_pctdursp_s1
Percentage of total sleep duration (i.e., total sleep time, TST) in stage 1 from polysomnography
|
Percentage of total sleep duration (i.e., total sleep time, TST) in stage 1 from polysomnography
Harmonized by the NSRR team. Source: timest1p |
Harmonized/Polysomnography/Sleep Architecture | |
nsrr_pctdursp_s2
Percentage of total sleep duration (i.e., total sleep time, TST) in stage 2 from polysomnography
|
Percentage of total sleep duration (i.e., total sleep time, TST) in stage 2 from polysomnography
Harmonized by the NSRR team. Source: timest2p |
Harmonized/Polysomnography/Sleep Architecture | |
nsrr_pctdursp_s3
Percentage of total sleep duration (i.e., total sleep time, TST) in stage 3/4 from polysomnography
|
Percentage of total sleep duration (i.e., total sleep time, TST) in stage 3/4 from polysomnography
Harmonized by the NSRR team. Source: times34p |
Harmonized/Polysomnography/Sleep Architecture | |
nsrr_pctdursp_sr
Percentage of total sleep duration (i.e., total sleep time, TST) in REM from polysomnography
|
Percentage of total sleep duration (i.e., total sleep time, TST) in REM from polysomnography
Harmonized by the NSRR team. Source: timeremp |
Harmonized/Polysomnography/Sleep Architecture | |
nsrr_tib_f1
Total In-bed Period: the interval between lights off/in-bed time and lights on/out-bed time from polysomnography
|
Total In-bed Period: the interval between lights off/in-bed time and lights on/out-bed time from polysomnography
Harmonized by the NSRR team. Conventionally, this would be called time in bed (TIB) |
Harmonized/Polysomnography/Sleep Architecture | |
nsrr_tst_f1
Total Sleep Duration: the interval between sleep onset and sleep offset while the participant is asleep from polysomnography
|
Total Sleep Duration: the interval between sleep onset and sleep offset while the participant is asleep from polysomnography
Conventionally, this would be called total sleep time (TST) (i.e. total time spent in stage 1 or greater). |
Harmonized/Polysomnography/Sleep Architecture | |
nsrr_ttldursp_s1sr
REM Sleep Latency: the interval between the first sleep epoch and REM sleep excluding wake
|
REM Sleep Latency: the interval between the first sleep epoch and REM sleep excluding wake
Harmonized by the NSRR team. Source: remlaiip |
Harmonized/Polysomnography/Sleep Architecture | |
nsrr_ttleffsp_f1
Sleep Efficiency: the ratio of total sleep duration (i.e., total sleep time) to in-bed period (i.e., time in bed) from polysomnography
|
Sleep Efficiency: the ratio of total sleep duration (i.e., total sleep time) to in-bed period (i.e., time in bed) from polysomnography
Harmonized by the NSRR team. Source: slpeffp |
Harmonized/Polysomnography/Sleep Architecture | |
nsrr_ttllatsp_f1
Sleep Latency: the interval between lights-out/in-bed time and sleep onset from polysomnography
|
Sleep Latency: the interval between lights-out/in-bed time and sleep onset from polysomnography
Harmonized by the NSRR team. Source: slplatp |
Harmonized/Polysomnography/Sleep Architecture | |
nsrr_ttlprdsp_s1sr
REM Sleep Latency: the interval between the first sleep epoch and REM sleep including wake
|
REM Sleep Latency: the interval between the first sleep epoch and REM sleep including wake
Harmonized by the NSRR team. Source: remlaip |
Harmonized/Polysomnography/Sleep Architecture | |
nsrr_waso_f1
Wake After Sleep Onset: the total duration being awake between sleep onset and lights-on/out-bed time from polysomnography
|
Wake After Sleep Onset: the total duration being awake between sleep onset and lights-on/out-bed time from polysomnography
Harmonized by the NSRR team. Source: waso |
Harmonized/Polysomnography/Sleep Architecture | |
oxitype
Oximeter type
|
Oximeter type
1 = Masimo, 2 = Nonin, 3 = Nonin Biologic |
Sleep Monitoring/Polysomnography/Administrative | |
unittype
Polysomnography (PSG) unit type
|
Polysomnography (PSG) unit type | Sleep Monitoring/Polysomnography/Administrative | |
ahi_a0h3
Apnea-Hypopnea Index : (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
|
Apnea-Hypopnea Index : (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography | Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
ahi_a0h3a
Apnea-Hypopnea Index : (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
|
Apnea-Hypopnea Index : (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. The definition of hypopnea events is consistent with the American Academy of Sleep Medicine (AASM) 2007 Manual (pediatric). [Iber C et al. The AASM manual for the scoring of sleep and associated events: rules, terminology and technical specifications. Vol. 1. Westchester, IL: American Academy of Sleep Medicine, 2007] |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
ahi_a0h4
Apnea-Hypopnea Index : (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
|
Apnea-Hypopnea Index : (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
ahi_a0h4a
Apnea-Hypopnea Index : (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 4% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
|
Apnea-Hypopnea Index : (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 4% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
ahi_c0h3
Central Apnea-Hypopnea Index : (Central apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
|
Central Apnea-Hypopnea Index : (Central apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
ahi_c0h3a
Central Apnea-Hypopnea Index : (Central apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
|
Central Apnea-Hypopnea Index : (Central apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. The definition of hypopnea events is consistent with the American Academy of Sleep Medicine (AASM) 2007 Manual (pediatric). [Iber C et al. The AASM manual for the scoring of sleep and associated events: rules, terminology and technical specifications. Vol. 1. Westchester, IL: American Academy of Sleep Medicine, 2007] |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
ahi_c0h4
Central Apnea-Hypopnea Index : (Central apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
|
Central Apnea-Hypopnea Index : (Central apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
ahi_c0h4a
Central Apnea-Hypopnea Index : (Central apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 4% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
|
Central Apnea-Hypopnea Index : (Central apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 4% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
ahi_o0h3
Obstructive Apnea-Hypopnea Index : (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
|
Obstructive Apnea-Hypopnea Index : (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
ahi_o0h3a
Obstructive Apnea-Hypopnea Index : (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
|
Obstructive Apnea-Hypopnea Index : (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. The definition of hypopnea events is consistent with the American Academy of Sleep Medicine (AASM) 2007 Manual (pediatric). [Iber C et al. The AASM manual for the scoring of sleep and associated events: rules, terminology and technical specifications. Vol. 1. Westchester, IL: American Academy of Sleep Medicine, 2007] |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
ahi_o0h4
Obstructive Apnea-Hypopnea Index : (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
|
Obstructive Apnea-Hypopnea Index : (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
ahi_o0h4a
Obstructive Apnea-Hypopnea Index : (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 4% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
|
Obstructive Apnea-Hypopnea Index : (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 4% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
cai0p
Central Apnea Index : (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep from type I polysomnography
|
Central Apnea Index : (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep from type I polysomnography
[(Total number of central apneas associated with all desaturations) / (hours of sleep)]. Will be missing if Total Sleep Time (TST) is 0. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
cardnba
Total number of central apnea in NREM sleep in supine position: Central apneas with no oxygen desaturation threshold used only with arousal from type I polysomnography
|
Total number of central apnea in NREM sleep in supine position: Central apneas with no oxygen desaturation threshold used only with arousal from type I polysomnography | Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
hmanrop
Mixed Apnea Index (NREM, Non-Supine): (Mixed apneas with no oxygen desaturation threshold used and with or without arousal) / hour of NREM sleep in non-supine position from type I polysomnography
|
Mixed Apnea Index (NREM, Non-Supine): (Mixed apneas with no oxygen desaturation threshold used and with or without arousal) / hour of NREM sleep in non-supine position from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
omahi3
Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) - Obstructive and Mixed Apnea-Hypopnea Index: (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ mixed apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or arousal) / hour of sleep from type I polysomnography
|
Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) - Obstructive and Mixed Apnea-Hypopnea Index: (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ mixed apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or arousal) / hour of sleep from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. The definition of hypopnea events is consistent with the American Academy of Sleep Medicine (AASM) 2007 Manual (pediatric). [Iber C et al. The AASM manual for the scoring of sleep and associated events: rules, terminology and technical specifications. Vol. 1. Westchester, IL: American Academy of Sleep Medicine, 2007] |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
omahi3b
Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) - Obstructive and Mixed Apnea-Hypopnea Index (Supine): (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ mixed apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or arousal) / hour of sleep in supine position from type I polysomnography
|
Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) - Obstructive and Mixed Apnea-Hypopnea Index (Supine): (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ mixed apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or arousal) / hour of sleep in supine position from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. Will be missing if Total Sleep Time (TST) is 0. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
omahi3_change
Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) change between Baseline and End
|
Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) change between Baseline and End | Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
omahi3nr
Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) - Obstructive and Mixed Apnea-Hypopnea Index (NREM): (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ mixed apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or arousal) / hour of NREM sleep from type I polysomnography
|
Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) - Obstructive and Mixed Apnea-Hypopnea Index (NREM): (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ mixed apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or arousal) / hour of NREM sleep from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. Will be missing if Total Sleep Time (TST) is 0. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
omahi3o
Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) - Obstructive and Mixed Apnea-Hypopnea Index (Non-Supine): (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ mixed apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or arousal) / hour of sleep in non-supine position from type I polysomnography
|
Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) - Obstructive and Mixed Apnea-Hypopnea Index (Non-Supine): (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ mixed apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or arousal) / hour of sleep in non-supine position from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. Will be missing if Total Sleep Time (TST) is 0. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
omahi3r
Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) - Obstructive and Mixed Apnea-Hypopnea Index (REM): (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ mixed apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or arousal) / hour of REM sleep from type I polysomnography
|
Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) - Obstructive and Mixed Apnea-Hypopnea Index (REM): (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ mixed apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or arousal) / hour of REM sleep from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. Will be missing if Total Sleep Time (TST) is 0. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
omai0p
Childhood Adenotonsillectomy Trial (CHAT) Obstructive and Mixed Apnea Index (AHI): (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ mixed apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep from type I polysomnography
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Childhood Adenotonsillectomy Trial (CHAT) Obstructive and Mixed Apnea Index (AHI): (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ mixed apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
rdim3p
Apnea-Hypopnea Index: (Apneas with >= 3% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used and with or without arousal) / hour of sleep from type I polysomnography
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Apnea-Hypopnea Index: (Apneas with >= 3% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used and with or without arousal) / hour of sleep from type I polysomnography
[(total number of apneas and hypopneas associated with >= 3% desaturation) / (hours of sleep)] |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
rdim3pa
Apnea-Hypopnea Index: (Apneas with >= 3% oxygen desaturation threshold used or with arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used or with arousal) / hour of sleep from type I polysomnography
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Apnea-Hypopnea Index: (Apneas with >= 3% oxygen desaturation threshold used or with arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used or with arousal) / hour of sleep from type I polysomnography
[(total number of apneas and hypopneas with >= 3% desaturation or arousal) / (hours of sleep)] |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
rdim3pns
Apnea-Hypopnea Index (Non-Supine): (Apneas with >= 3% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used and with or without arousal) / hour of sleep in non-supine from type I polysomnography
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Apnea-Hypopnea Index (Non-Supine): (Apneas with >= 3% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used and with or without arousal) / hour of sleep in non-supine from type I polysomnography
[(total number of apneas and hypopneas in non-supine body position associated with >= 3% desaturation) / (hours of sleep)]. will be missing if no time non-supine or low position sensor quality. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
rdim3ps
Apnea-Hypopnea Index (Supine): (Apneas with >= 3% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used and with or without arousal) / hour of sleep in supine from type I polysomnography
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Apnea-Hypopnea Index (Supine): (Apneas with >= 3% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used and with or without arousal) / hour of sleep in supine from type I polysomnography
[(total number of apneas and hypopneas in supine body position associated with >= 3% desaturation) / (hours of sleep)]. will be missing if no time supine or low position sensor quality. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
rdim4p
Apnea-Hypopnea Index: (Apneas with >= 4% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation used and with or without arousal) / hour of sleep from type I polysomnography
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Apnea-Hypopnea Index: (Apneas with >= 4% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation used and with or without arousal) / hour of sleep from type I polysomnography
[(total number of apneas and hypopneas associated with >= 3% desaturation) / (hours of sleep)] |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
rdim4pa
Apnea-Hypopnea Index: (Apneas with >= 4% oxygen desaturation threshold used or with arousal+ hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation used or with arousal) / hour of sleep from type I polysomnography
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Apnea-Hypopnea Index: (Apneas with >= 4% oxygen desaturation threshold used or with arousal+ hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation used or with arousal) / hour of sleep from type I polysomnography
[(total number of apneas and hypopneas with >= 3% desaturation or arousal) / (hours of sleep)] |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
rdinba
Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of NREM sleep in supine position from type I polysomnography
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Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of NREM sleep in supine position from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
rdinba2
Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation or with arousal) / hour of NREM sleep in supine position from type I polysomnography
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Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation or with arousal) / hour of NREM sleep in supine position from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
rdinba3
Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of NREM sleep in supine position from type I polysomnography
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Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of NREM sleep in supine position from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
rdinbp
Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
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Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
rdinbp3
Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
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Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
rdinoa3
Hypopnea Index (NREM, Non-Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of NREM sleep in non-supine position from type I polysomnography
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Hypopnea Index (NREM, Non-Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of NREM sleep in non-supine position from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
rdinop
Hypopnea Index (NREM, Non-Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used and with or without arousal) / hour of NREM sleep in non-supine position from type I polysomnography
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Hypopnea Index (NREM, Non-Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used and with or without arousal) / hour of NREM sleep in non-supine position from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
rdinop3
Hypopnea Index (NREM, Non-Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of NREM sleep in non-supine position from type I polysomnography
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Hypopnea Index (NREM, Non-Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of NREM sleep in non-supine position from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
rdirba3
Hypopnea Index (REM, Supine): (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of REM sleep in supine position from type I polysomnography
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Hypopnea Index (REM, Supine): (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of REM sleep in supine position from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
rdirbp
Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used and with or without arousal) / hour of REM sleep in supine position from type I polysomnography
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Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used and with or without arousal) / hour of REM sleep in supine position from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
rdirbp3
Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
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Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
rdiroa
Hypopnea Index (REM, Non-Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of REM sleep in non-supine position from type I polysomnography
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Hypopnea Index (REM, Non-Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of REM sleep in non-supine position from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
rdiroa3
Hypopnea Index (REM, Non-Supine): (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of REM sleep in non-supine position from type I polysomnography
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Hypopnea Index (REM, Non-Supine): (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of REM sleep in non-supine position from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices |