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Nulliparous Pregnancy Outcomes Study Monitoring Mothers-to-be

Name Label Folder
publicid
Public nuMoM2b ID
Public nuMoM2b ID Administrative
stdyvis
A4b. Visit of Sleep Study
A4b. Visit of Sleep Study Administrative
bmi
Body Mass Index (BMI)
Body Mass Index (BMI) Anthropometry
height
Height (cm) measured at study visit
Height (cm) measured at study visit Anthropometry
weight
Weight (kg) measured at study visit (1 or 3)
Weight (kg) measured at study visit (1 or 3) Anthropometry
age_at_stdydt
Age (years) at sleep study visit date
Age (years) at sleep study visit date Demographics
crace
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g Demographics
ga_at_stdydt
Gestational age (weeks) at sleep study visit date
Gestational age (weeks) at sleep study visit date Demographics
ahi_ap0uhp3x3u
Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of sleep
Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
ahi_ap0uhp3x4u
Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 4% oxygen desaturation and with or without arousal) / hour of sleep
Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 4% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events. The definition of hypopnea events is consistent with the following clinical guidelines: (1) AASM 2012 update (recommended) Berry RB et al. 2012 (PubMed ID:23066376), and (2) AASM 2015 (acceptable) [Berry RB et al. The AASM Manual for the Scoring of Sleep and Associated Events: Rules, Terminology and Technical Specifications, Version 2.2. American Academy of Sleep Medicine, Darien, IL, 2015.].

Search for all AHI variables consistent with the same clinical guidelines within this dataset

Polysomnography/Apnea-Hypopnea Indices
ahi_ap0uhp3x5x4uhp5x3u
Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal, hypopneas with 30%-50% flow reduction and with >= 4% oxygen desaturation, and hypopneas with > 50% flow reduction with >= 3% oxygen desaturation) / hour of sleep
Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal, hypopneas with 30%-50% flow reduction and with >= 4% oxygen desaturation, and hypopneas with > 50% flow reduction with >= 3% oxygen desaturation) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
oahi_oa3uhp3x3u
Obstructive Apnea-Hypopnea Index: (Obstructive apneas with >= 3% oxygen desaturation and with or without arousal + hypopneas with > 30% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep
Obstructive Apnea-Hypopnea Index: (Obstructive apneas with >= 3% oxygen desaturation and with or without arousal + hypopneas with > 30% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
oahi_oa4uhp3x4u
Obstructive Apnea-Hypopnea Index: (Obstrcutive apneas with >= 4% oxygen desaturation and with or without arousal + hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep
Obstructive Apnea-Hypopnea Index: (Obstrcutive apneas with >= 4% oxygen desaturation and with or without arousal + hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events. The definition of hypopnea events is consistent with the following clinical guidelines: (1) AASM 2012 update (recommended) Berry RB et al. 2012 (PubMed ID:23066376), and (2) AASM 2015 (acceptable) [Berry RB et al. The AASM Manual for the Scoring of Sleep and Associated Events: Rules, Terminology and Technical Specifications, Version 2.2. American Academy of Sleep Medicine, Darien, IL, 2015.].

Search for all AHI variables consistent with the same clinical guidelines within this dataset

Polysomnography/Apnea-Hypopnea Indices
avglvlhr
Average heart rate during the total sleep duration
Average heart rate during the total sleep duration

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep

Polysomnography/Heart Rate
avglvlsa
Average oxygen saturation during in total sleep duration
Average oxygen saturation during in total sleep duration Polysomnography/Oxygen Saturation
minlvlsa
Minimum level of oxygen saturation in total sleep duration
Minimum level of oxygen saturation in total sleep duration Polysomnography/Oxygen Saturation
pctdursp_o90
Percentage of total sleep duration with < 90% oxygen saturation
Percentage of total sleep duration with < 90% oxygen saturation

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep

Polysomnography/Oxygen Saturation
slpeff
Sleep Efficiency (%): the proportion of sleep duration in in-bed period
Sleep Efficiency (%): the proportion of sleep duration in in-bed period

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep, while in-bed period is the interval between lights off/in-bed time and lights on/out-bed time. Conventionally, this variable could be described as the ratio between total sleep time (TST) and time in bed (TIB).

Polysomnography/Sleep Architecture
ttldursp
Total Sleep Duration: the interval between sleep onset time and lights on/out-bed time while the participant is asleep.
Total Sleep Duration: the interval between sleep onset time and lights on/out-bed time while the participant is asleep.

Total sleep duration does not include wake after sleep onset. Conventionally, this would be called total sleep time.

Polysomnography/Sleep Architecture
ttlprdbd
Total In-Bed Period: the interval between lights out/in-bed time and lights off/out-bed time.
Total In-Bed Period: the interval between lights out/in-bed time and lights off/out-bed time.

Conventionally this variable would be called time in bed

Polysomnography/Sleep Architecture
waso
Wake After Sleep Onset (WASO): the total duration between sleep onset and lights-on/out-bed time while being awake.
Wake After Sleep Onset (WASO): the total duration between sleep onset and lights-on/out-bed time while being awake. Polysomnography/Sleep Architecture
ahi_ap0uhp3x0u
Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with no oxygen desaturation and with or without arousal) / hour of sleep
Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with no oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
ahi_ap2uhp3x2u
Apnea-Hypopnea Index: (All apneas with >= 2% oxygen desaturation and with or without arousal + hypopneas with > 30% flow reduction and with >= 2% oxygen desaturation and with or without arousal) / hour of sleep
Apnea-Hypopnea Index: (All apneas with >= 2% oxygen desaturation and with or without arousal + hypopneas with > 30% flow reduction and with >= 2% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
ahi_ap3uhp3x3u
Apnea-Hypopnea Index: (All apneas with >= 3% oxygen desaturation and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of sleep
Apnea-Hypopnea Index: (All apneas with >= 3% oxygen desaturation and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
ahi_ap4uhp3x4u
Apnea-Hypopnea Index: (All apneas with >= 4% oxygen desaturation and with or without arousal + hypopneas with > 30% flow reduction and with >= 4% oxygen desaturation and with or without arousal) / hour of sleep
Apnea-Hypopnea Index: (All apneas with >= 4% oxygen desaturation and with or without arousal + hypopneas with > 30% flow reduction and with >= 4% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events. The definition of hypopnea events is consistent with the following clinical guidelines: (1) AASM 2012 update (recommended) Berry RB et al. 2012 (PubMed ID:23066376), and (2) AASM 2015 (acceptable) [Berry RB et al. The AASM Manual for the Scoring of Sleep and Associated Events: Rules, Terminology and Technical Specifications, Version 2.2. American Academy of Sleep Medicine, Darien, IL, 2015.].

Search for all AHI variables consistent with the same clinical guidelines within this dataset

Polysomnography/Apnea-Hypopnea Indices
ahi_ap5uhp3x5u
Apnea-Hypopnea Index: (All apneas with >= 5% oxygen desaturation and with or without arousal + hypopneas with > 30% flow reduction and with >= 5% oxygen desaturation and with or without arousal) / hour of sleep
Apnea-Hypopnea Index: (All apneas with >= 5% oxygen desaturation and with or without arousal + hypopneas with > 30% flow reduction and with >= 5% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
cai_ca0u
Central Apnea Index: (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep
Central Apnea Index: (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
cai_ca4u
Central Apnea Index: (Central apneas with >= 4% oxygen desaturation and with or without arousal) / hour of sleep
Central Apnea Index: (Central apneas with >= 4% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
cai_pb_ca0u
Central Apnea Index (Supine): (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep
Central Apnea Index (Supine): (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
cai_pb_ca2u
Central Apnea Index (Supine): (Central apneas with >= 2% oxygen desaturation and with or without arousal) / hour of sleep
Central Apnea Index (Supine): (Central apneas with >= 2% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
cai_pb_ca3u
Central Apnea Index (Supine): (Central apneas with >= 3% oxygen desaturation and with or without arousal) / hour of sleep
Central Apnea Index (Supine): (Central apneas with >= 3% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
cai_pb_ca4u
Central Apnea Index (Supine): (Central apneas with >= 4% oxygen desaturation and with or without arousal) / hour of sleep
Central Apnea Index (Supine): (Central apneas with >= 4% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
cai_pb_ca5u
Central Apnea Index (Supine): (Central apneas with >= 5% oxygen desaturation and with or without arousal) / hour of sleep
Central Apnea Index (Supine): (Central apneas with >= 5% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
cai_po_ca0u
Central Apnea Index (Non-Supine): (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep
Central Apnea Index (Non-Supine): (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
cai_po_ca2u
Central Apnea Index (Non-Supine): (Central apneas with >= 2% oxygen desaturation and with or without arousal) / hour of sleep
Central Apnea Index (Non-Supine): (Central apneas with >= 2% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
cai_po_ca3u
Central Apnea Index (Non-Supine): (Central apneas with >= 3% oxygen desaturation and with or without arousal) / hour of sleep
Central Apnea Index (Non-Supine): (Central apneas with >= 3% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
cai_po_ca4u
Central Apnea Index (Non-Supine): (Central apneas with >= 4% oxygen desaturation and with or without arousal) / hour of sleep
Central Apnea Index (Non-Supine): (Central apneas with >= 4% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
cai_po_ca5u
Central Apnea Index (Non-Supine): (Central apneas with >= 5% oxygen desaturation and with or without arousal) / hour of sleep
Central Apnea Index (Non-Supine): (Central apneas with >= 5% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
hi_hp3x5x0u
Hypopnea Index: (Hypopneas with 30 - 50% flow reduction and no oxygen desaturation threshold used and with or without arousal) / hour of sleep
Hypopnea Index: (Hypopneas with 30 - 50% flow reduction and no oxygen desaturation threshold used and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
hi_hp5x0u
Hypopnea Index: (Hypopneas with > 50% flow reduction and no oxygen desaturation threshold used and with or without arousal) / hour of sleep
Hypopnea Index: (Hypopneas with > 50% flow reduction and no oxygen desaturation threshold used and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events. Hypopneas are defined based on American Academy of Sleep Medicine (AASM) Chicago 1999 standard. Sleep 1999 (PubMed ID:10450601) Search for all AHI variables consistent with the same clinical guidelines within this dataset

Polysomnography/Apnea-Hypopnea Indices
hi_pb_hp3x0u
Hypopnea Index (Supine): (Hypopneas with > 30% flow reduction and no oxygen desaturation threshold used and with or without arousal) / hour of sleep
Hypopnea Index (Supine): (Hypopneas with > 30% flow reduction and no oxygen desaturation threshold used and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
hi_pb_hp3x2u
Hypopnea Index (Supine): (Hypopneas with > 30% flow reduction and >= 2% oxygen desaturation and with or without arousal) / hour of sleep
Hypopnea Index (Supine): (Hypopneas with > 30% flow reduction and >= 2% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
hi_pb_hp3x3u
Hypopnea Index (Supine): (Hypopneas with > 30% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep
Hypopnea Index (Supine): (Hypopneas with > 30% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
hi_pb_hp3x4u
Hypopnea Index (Supine): (Hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep
Hypopnea Index (Supine): (Hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events. The definition of hypopnea events is consistent with the following clinical guidelines: (1) AASM 2012 update (recommended) Berry RB et al. 2012 (PubMed ID:23066376), and (2) AASM 2015 (acceptable) [Berry RB et al. The AASM Manual for the Scoring of Sleep and Associated Events: Rules, Terminology and Technical Specifications, Version 2.2. American Academy of Sleep Medicine, Darien, IL, 2015.]

Search for all AHI variables consistent with the same clinical guidelines within this dataset

Polysomnography/Apnea-Hypopnea Indices
hi_pb_hp3x5u
Hypopnea Index (Supine): (Hypopneas with > 30% flow reduction and >= 5% oxygen desaturation and with or without arousal) / hour of sleep
Hypopnea Index (Supine): (Hypopneas with > 30% flow reduction and >= 5% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
hi_pb_hp5x0u
Hypopnea Index (Supine): (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used and with or witout arousal) / hour of sleep
Hypopnea Index (Supine): (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used and with or witout arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events. Hypopneas are defined based on American Academy of Sleep Medicine (AASM) Chicago 1999 standard. Sleep 1999 (PubMed ID:10450601)

Search for all AHI variables consistent with the same clinical guidelines within this dataset

Polysomnography/Apnea-Hypopnea Indices
hi_pb_hp5x2u
Hypopnea Index (Supine): (Hypopneas with > 50% flow reduction and >= 2% oxygen desaturation and with or without arousal) / hour of sleep
Hypopnea Index (Supine): (Hypopneas with > 50% flow reduction and >= 2% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
hi_pb_hp5x3u
Hypopnea Index (Supine): (Hypopneas with > 50% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep
Hypopnea Index (Supine): (Hypopneas with > 50% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
hi_pb_hp5x4u
Hypopnea Index (Supine): (Hypopneas with > 50% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep
Hypopnea Index (Supine): (Hypopneas with > 50% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
hi_pb_hp5x5u
Hypopnea Index (Supine): (Hypopneas with > 50% flow reduction and >= 5% oxygen desaturation and with or without arousal) / hour of sleep
Hypopnea Index (Supine): (Hypopneas with > 50% flow reduction and >= 5% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
hi_po_hp3x0u
Hypopnea Index (Non-Supine): (Hypopneas with > 30% flow reduction and no oxygen desaturation threshold used and with or without arousal) / hour of sleep
Hypopnea Index (Non-Supine): (Hypopneas with > 30% flow reduction and no oxygen desaturation threshold used and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
hi_po_hp3x2u
Hypopnea Index (Non-Supine): (Hypopneas with > 30% flow reduction and >= 2% oxygen desaturation and with or without arousal) / hour of sleep
Hypopnea Index (Non-Supine): (Hypopneas with > 30% flow reduction and >= 2% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
hi_po_hp3x3u
Hypopnea Index (Non-Supine): (Hypopneas with > 30% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep
Hypopnea Index (Non-Supine): (Hypopneas with > 30% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
hi_po_hp3x4u
Hypopnea Index (Non-Supine): (Hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep
Hypopnea Index (Non-Supine): (Hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events. The definition of hypopnea events is consistent with the following clinical guidelines: (1) AASM 2012 update (recommended) Berry RB et al. 2012 (PubMed ID:23066376), and (2) AASM 2015 (acceptable) [Berry RB et al. The AASM Manual for the Scoring of Sleep and Associated Events: Rules, Terminology and Technical Specifications, Version 2.2. American Academy of Sleep Medicine, Darien, IL, 2015.].

Search for all AHI variables consistent with the same clinical guidelines within this dataset

Polysomnography/Apnea-Hypopnea Indices
hi_po_hp3x5u
Hypopnea Index (Non-Supine): (Hypopneas with > 30% flow reduction and >= 5% oxygen desaturation and with or without arousal) / hour of sleep
Hypopnea Index (Non-Supine): (Hypopneas with > 30% flow reduction and >= 5% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
hi_po_hp5x0u
Hypopnea Index (Non-Supine): Hypopneas with > 50% flow reduction and no oxygen desaturation threshold used and with or witout arousal / hour of sleep
Hypopnea Index (Non-Supine): Hypopneas with > 50% flow reduction and no oxygen desaturation threshold used and with or witout arousal / hour of sleep

Calculated - Summary metric of sleep disordered breathing events. Hypopneas are defined based on American Academy of Sleep Medicine (AASM) Chicago 1999 standard. Sleep 1999 (PubMed ID:10450601)

Search for all AHI variables consistent with the same clinical guidelines within this dataset

Polysomnography/Apnea-Hypopnea Indices
hi_po_hp5x2u
Hypopnea Index (Non-Supine): (Hypopneas with > 50% flow reduction and >= 2% oxygen desaturation and with or without arousal) / hour of sleep
Hypopnea Index (Non-Supine): (Hypopneas with > 50% flow reduction and >= 2% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
hi_po_hp5x3u
Hypopnea Index (Non-Supine): (Hypopneas with > 50% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep
Hypopnea Index (Non-Supine): (Hypopneas with > 50% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
hi_po_hp5x4u
Hypopnea Index (Non-Supine): (Hypopneas with > 50% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep
Hypopnea Index (Non-Supine): (Hypopneas with > 50% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
hi_po_hp5x5u
Hypopnea Index (Non-Supine): (Hypopneas with > 50% flow reduction and >= 5% oxygen desaturation and with or without arousal) / hour of sleep
Hypopnea Index (Non-Supine): (Hypopneas with > 50% flow reduction and >= 5% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
oai_oa0u
Obstructive Apnea Index: (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep
Obstructive Apnea Index: (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
oai_oa4u
Obstructive Apnea Index: (Obstructive apneas with >= 4% oxygen desaturation and with or without arousal) / hour of sleep
Obstructive Apnea Index: (Obstructive apneas with >= 4% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
oai_pb_oa0u
Obstructive Apnea Index (Supine): (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep
Obstructive Apnea Index (Supine): (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
oai_pb_oa2u
Obstructive Apnea Index (Supine): (Obstructive apneas with >= 2% oxygen desaturation and with or without arousal) / hour of sleep
Obstructive Apnea Index (Supine): (Obstructive apneas with >= 2% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
oai_pb_oa3u
Obstructive Apnea Index (Supine): (Obstructive apneas with >= 3% oxygen desaturation and with or without arousal) / hour of sleep
Obstructive Apnea Index (Supine): (Obstructive apneas with >= 3% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
oai_pb_oa4u
Obstructive Apnea Index (Supine): (Obstructive apneas with >= 4% oxygen desaturation and with or without arousal) / hour of sleep
Obstructive Apnea Index (Supine): (Obstructive apneas with >= 4% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
oai_pb_oa5u
Obstructive Apnea Index (Supine): (Obstructive apneas with >= 5% oxygen desaturation and with or without arousal) / hour of sleep
Obstructive Apnea Index (Supine): (Obstructive apneas with >= 5% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
oai_po_oa0u
Obstructive Apnea Index (Non-Supine): (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep
Obstructive Apnea Index (Non-Supine): (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
oai_po_oa2u
Obstructive Apnea Index (Non-Supine): (Obstructive apneas with >= 2% oxygen desaturation and with or without arousal) / hour of sleep
Obstructive Apnea Index (Non-Supine): (Obstructive apneas with >= 2% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
oai_po_oa3u
Obstructive Apnea Index (Non-Supine): (Obstructive apneas with >= 3% oxygen desaturation and with or without arousal) / hour of sleep
Obstructive Apnea Index (Non-Supine): (Obstructive apneas with >= 3% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
oai_po_oa4u
Obstructive Apnea Index (Non-Supine): (Obstructive apneas with >= 4% oxygen desaturation and with or without arousal) / hour of sleep
Obstructive Apnea Index (Non-Supine): (Obstructive apneas with >= 4% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
oai_po_oa5u
Obstructive Apnea Index (Non-Supine): (Obstructive apneas with >= 5% oxygen desaturation and with or without arousal) / hour of sleep
Obstructive Apnea Index (Non-Supine): (Obstructive apneas with >= 5% oxygen desaturation and with or without arousal) / hour of sleep

Calculated - Summary metric of sleep disordered breathing events

Polysomnography/Apnea-Hypopnea Indices
avglvlhr_ap0uhp3x0u
Average heart rate associated with apneas with no oxygen desaturation threshold used and with or without arousal, and hypopneas with > 30% flow reduction and no oxygen desaturation threshold used and with or without arousal during total sleep duration
Average heart rate associated with apneas with no oxygen desaturation threshold used and with or without arousal, and hypopneas with > 30% flow reduction and no oxygen desaturation threshold used and with or without arousal during total sleep duration

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep

Polysomnography/Heart Rate
avglvlhr_pbd0
Average heart rate (supine) associated with > 0% oxygen desaturation during total sleep duration
Average heart rate (supine) associated with > 0% oxygen desaturation during total sleep duration

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep

Polysomnography/Heart Rate
avglvlhr_pbd3
Average heart rate (supine) associated with >= 3% oxygen desaturation during total sleep duration
Average heart rate (supine) associated with >= 3% oxygen desaturation during total sleep duration

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep

Polysomnography/Heart Rate
avglvlhr_pod0
Average heart rate (non-supine) associated with > 0% oxygen desaturation during total sleep duration
Average heart rate (non-supine) associated with > 0% oxygen desaturation during total sleep duration

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep

Polysomnography/Heart Rate
avglvlhr_pod3
Average heart rate (non-supine) associated with >= 3% oxygen desaturation during total sleep duration
Average heart rate (non-supine) associated with >= 3% oxygen desaturation during total sleep duration

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep

Polysomnography/Heart Rate
maxlvlhr
Maximum heart rate during the total sleep duration
Maximum heart rate during the total sleep duration

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep

Polysomnography/Heart Rate
maxlvlhr_ap0uhp3x0u
Maximum heart rate associated with apneas with no oxygen desaturation threshold used and with or without arousal, and hypopneas with > 30% flow reduction and no oxygen desaturation threshold used and with or without arousal during total sleep duration
Maximum heart rate associated with apneas with no oxygen desaturation threshold used and with or without arousal, and hypopneas with > 30% flow reduction and no oxygen desaturation threshold used and with or without arousal during total sleep duration

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep

Polysomnography/Heart Rate
maxlvlhr_pbd0
Maximum heart rate (supine) associated with > 0% oxygen desaturation during total sleep duration
Maximum heart rate (supine) associated with > 0% oxygen desaturation during total sleep duration

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep

Polysomnography/Heart Rate
maxlvlhr_pbd3
Maximum heart rate (supine) associated with >= 3% oxygen desaturation during total sleep duration
Maximum heart rate (supine) associated with >= 3% oxygen desaturation during total sleep duration

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep

Polysomnography/Heart Rate
maxlvlhr_pod0
Maximum heart rate (non-supine) associated with > 0% oxygen desaturation during total sleep duration
Maximum heart rate (non-supine) associated with > 0% oxygen desaturation during total sleep duration

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep

Polysomnography/Heart Rate
maxlvlhr_pod3
Maximum heart rate (non-supine) associated with >= 3% oxygen desaturation during total sleep duration
Maximum heart rate (non-supine) associated with >= 3% oxygen desaturation during total sleep duration

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep

Polysomnography/Heart Rate
minlvlhr
Minimum heart rate during the total sleep duration
Minimum heart rate during the total sleep duration

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep

Polysomnography/Heart Rate
minlvlhr_ap0uhp3x0u
Minimum heart rate associated with apneas with no oxygen desaturation threshold used and with or without arousal, and hypopnea with > 30% flow reduction and no oxygen desaturation threshold used and with or without arousal during total sleep duration
Minimum heart rate associated with apneas with no oxygen desaturation threshold used and with or without arousal, and hypopnea with > 30% flow reduction and no oxygen desaturation threshold used and with or without arousal during total sleep duration

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep

Polysomnography/Heart Rate
minlvlhr_pbd0
Minimum heart rate (supine) associated with > 0% oxygen desaturation during total sleep duration
Minimum heart rate (supine) associated with > 0% oxygen desaturation during total sleep duration

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep

Polysomnography/Heart Rate
minlvlhr_pbd3
Minimum heart rate (supine) associated with >= 3% oxygen desaturation during total sleep duration
Minimum heart rate (supine) associated with >= 3% oxygen desaturation during total sleep duration

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep

Polysomnography/Heart Rate
minlvlhr_pod0
Minimum heart rate (non-supine) associated with > 0% oxygen desaturation during total sleep duration
Minimum heart rate (non-supine) associated with > 0% oxygen desaturation during total sleep duration

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep

Polysomnography/Heart Rate
minlvlhr_pod3
Minimum heart rate (non-supine) associated with >= 3% oxygen desaturation during total sleep duration
Minimum heart rate (non-supine) associated with >= 3% oxygen desaturation during total sleep duration

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep

Polysomnography/Heart Rate
avgdurds_pbd0
Average level of desaturation (supine, all desaturations)
Average level of desaturation (supine, all desaturations) Polysomnography/Oxygen Saturation
avgdurds_pbd2
Average level of desaturation (supine, >= 2% desaturation)
Average level of desaturation (supine, >= 2% desaturation) Polysomnography/Oxygen Saturation
avgdurds_pbd4
Average level of desaturation (supine, >= 4% desaturation)
Average level of desaturation (supine, >= 4% desaturation) Polysomnography/Oxygen Saturation
avgdurds_pbd5
Average level of desaturation (supine, >= 5% desaturation)
Average level of desaturation (supine, >= 5% desaturation) Polysomnography/Oxygen Saturation
avgdurds_pod0
Average level of desaturation (non-supine, all desaturations)
Average level of desaturation (non-supine, all desaturations) Polysomnography/Oxygen Saturation
avgdurds_pod2
Average level of desaturation (non-supine, >= 2% desaturation)
Average level of desaturation (non-supine, >= 2% desaturation) Polysomnography/Oxygen Saturation
avgdurds_pod3
Average level of desaturation (non-supine, >= 3% desaturation)
Average level of desaturation (non-supine, >= 3% desaturation) Polysomnography/Oxygen Saturation
avgdurds_pod4
Average level of desaturation (non-supine, >= 4% desaturation)
Average level of desaturation (non-supine, >= 4% desaturation) Polysomnography/Oxygen Saturation
avgdurds_pod5
Average level of desaturation (non-supine, >= 5% desaturation)
Average level of desaturation (non-supine, >= 5% desaturation) Polysomnography/Oxygen Saturation
avglvlds
Average level of desaturation in total sleep duration
Average level of desaturation in total sleep duration Polysomnography/Oxygen Saturation
avglvlds_ap0uhp3x0u
Average Level of Desaturation Associated with Respiratory Events: All apneas with no oxygen desaturation threshold used and hypopneas with > 30% flow reduction and with no oxygen desaturation threshold used and with or without arousal
Average Level of Desaturation Associated with Respiratory Events: All apneas with no oxygen desaturation threshold used and hypopneas with > 30% flow reduction and with no oxygen desaturation threshold used and with or without arousal Polysomnography/Oxygen Saturation