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Study of Osteoporotic Fractures

Name Label Folder
ai_all
Arousal Index
Arousal Index

Total number of arousals per hour of sleep. Ratio of count of arousals to total sleep time in hours.

Polysomnography (PSG)/Arousals
avgsat
Average oxygen saturation (SaO2) in sleep
Average oxygen saturation (SaO2) in sleep Polysomnography (PSG)/Oxygen Saturation (SaO2)
minsat
Minimum oxygen saturation (SaO2) in sleep
Minimum oxygen saturation (SaO2) in sleep

Lowest oxygen saturation (SaO2)% during sleep

Polysomnography (PSG)/Oxygen Saturation (SaO2)
longap
Longest apnea
Longest apnea Polysomnography (PSG)/Respiratory Events/Apnea
oavgdur
Average obstructive apnea length, entire recording
Average obstructive apnea length, entire recording Polysomnography (PSG)/Respiratory Events/Apnea/Obstructive
longhyp
Longest hypopnea, entire recording
Longest hypopnea, entire recording Polysomnography (PSG)/Respiratory Events/Hypopnea
ahi_a0h3
Apnea-Hypopnea Index (AHI) >= 3% - number of [all apneas] and [hypopneas with >= 3% oxygen desaturation] per hour of sleep
Apnea-Hypopnea Index (AHI) >= 3% - number of [all apneas] and [hypopneas with >= 3% oxygen desaturation] per hour of sleep Polysomnography (PSG)/Respiratory Events/Indexes
ahi_a0h3a
Apnea-Hypopnea Index (AHI) >= 3% - number of [all apneas] and [hypopneas with >= 3% oxygen desaturation or arousal] per hour of sleep
Apnea-Hypopnea Index (AHI) >= 3% - number of [all apneas] and [hypopneas with >= 3% oxygen desaturation or arousal] per hour of sleep Polysomnography (PSG)/Respiratory Events/Indexes
ahi_a0h4
Apnea-Hypopnea Index (AHI) >= 4% - number of [all apneas] and [hypopneas with >= 4% oxygen desaturation] per hour of sleep
Apnea-Hypopnea Index (AHI) >= 4% - number of [all apneas] and [hypopneas with >= 4% oxygen desaturation] per hour of sleep Polysomnography (PSG)/Respiratory Events/Indexes
ahi_a0h4a
Apnea-Hypopnea Index (AHI) >= 4% - number of [all apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep
Apnea-Hypopnea Index (AHI) >= 4% - number of [all apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep Polysomnography (PSG)/Respiratory Events/Indexes
ahi_c0h3
Central Apnea-Hypopnea Index (CAHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation] per hour of sleep
Central Apnea-Hypopnea Index (CAHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation] per hour of sleep Polysomnography (PSG)/Respiratory Events/Indexes
ahi_c0h3a
Central Apnea-Hypopnea Index (CAHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation or arousal] per hour of sleep
Central Apnea-Hypopnea Index (CAHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation or arousal] per hour of sleep Polysomnography (PSG)/Respiratory Events/Indexes
ahi_c0h4
Central Apnea-Hypopnea Index (CAHI) >= 4% - number of [central apneas] and [hypopneas with >= 4% oxygen desaturation] per hour of sleep
Central Apnea-Hypopnea Index (CAHI) >= 4% - number of [central apneas] and [hypopneas with >= 4% oxygen desaturation] per hour of sleep Polysomnography (PSG)/Respiratory Events/Indexes
ahi_c0h4a
Central Apnea-Hypopnea Index (CAHI) >= 4% - number of [central apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep
Central Apnea-Hypopnea Index (CAHI) >= 4% - number of [central apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep Polysomnography (PSG)/Respiratory Events/Indexes
ahi_o0h3
Obstructive Apnea-Hypopnea Index (OAHI) >= 3% - number of [obstructive apneas] and [hypopneas with >= 3% oxygen desaturation] per hour of sleep
Obstructive Apnea-Hypopnea Index (OAHI) >= 3% - number of [obstructive apneas] and [hypopneas with >= 3% oxygen desaturation] per hour of sleep Polysomnography (PSG)/Respiratory Events/Indexes
ahi_o0h3a
Obstructive Apnea-Hypopnea Index (OAHI) >= 3% - number of [obstructive apneas] and [hypopneas with >= 3% oxygen desaturation or arousal] per hour of sleep
Obstructive Apnea-Hypopnea Index (OAHI) >= 3% - number of [obstructive apneas] and [hypopneas with >= 3% oxygen desaturation or arousal] per hour of sleep Polysomnography (PSG)/Respiratory Events/Indexes
ahi_o0h4
Obstructive Apnea-Hypopnea Index (OAHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation] per hour of sleep
Obstructive Apnea-Hypopnea Index (OAHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation] per hour of sleep Polysomnography (PSG)/Respiratory Events/Indexes
ahi_o0h4a
Obstructive Apnea-Hypopnea Index (OAHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep
Obstructive Apnea-Hypopnea Index (OAHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep Polysomnography (PSG)/Respiratory Events/Indexes
cai0p
Central Apnea Index (CAI) all oxygen desaturations
Central Apnea Index (CAI) all oxygen desaturations Polysomnography (PSG)/Respiratory Events/Indexes
oai0p
Obstructive Apnea Index (OAI) all oxygen desaturations
Obstructive Apnea Index (OAI) all oxygen desaturations Polysomnography (PSG)/Respiratory Events/Indexes
rdi0p
Overall Respiratory Disturbance Index (RDI) all oxygen desaturations
Overall Respiratory Disturbance Index (RDI) all oxygen desaturations Polysomnography (PSG)/Respiratory Events/Indexes
rdi3p
Overall Respiratory Disturbance Index (RDI) at >= 3% oxygen desaturation
Overall Respiratory Disturbance Index (RDI) at >= 3% oxygen desaturation

[(total number of apneas and hypopneas associated with >= 3% oxygen desaturation) / (hours of sleep)]

Polysomnography (PSG)/Respiratory Events/Indexes
rdi3pa
Overall Respiratory Disturbance Index (RDI) at >= 3% oxygen desaturation or arousal
Overall Respiratory Disturbance Index (RDI) at >= 3% oxygen desaturation or arousal

[(total number of apneas and hypopneas with >= 3% oxygen desaturation or arousal) / (hours of sleep)]

Polysomnography (PSG)/Respiratory Events/Indexes
rdi4p
Overall Respiratory Disturbance Index (RDI) at >= 4% oxygen desaturation
Overall Respiratory Disturbance Index (RDI) at >= 4% oxygen desaturation

Ratio of the count of all apneas (central and obstructive) and hypopneas associated with at least a >= 4% oxygen desaturation to the total sleep time expressed in hours

Polysomnography (PSG)/Respiratory Events/Indexes
overall
Overall study grade
Overall study grade Polysomnography (PSG)/Signal Quality
oximdur
Hours of usable oximetry
Hours of usable oximetry Polysomnography (PSG)/Signal Quality
quoxim
Quality of oximetry
Quality of oximetry Polysomnography (PSG)/Signal Quality
slp_eff
Sleep Efficiency
Sleep Efficiency

Percentage of time in bed that was spent sleeping, or the ratio of total sleep time to total time in bed, expressed as a percentage.

Polysomnography (PSG)/Sleep Architecture
slpprdp
Total sleep time
Total sleep time Polysomnography (PSG)/Sleep Architecture
slptime
Total sleep time
Total sleep time Polysomnography (PSG)/Sleep Architecture
noplm
Number of periodic limb movements (PLMs) during sleep
Number of periodic limb movements (PLMs) during sleep Polysomnography (PSG)/Sleep Events
plmaslp
Total number of periodic limb movements (PLMs) with arousal (in all sleep)
Total number of periodic limb movements (PLMs) with arousal (in all sleep) Polysomnography (PSG)/Sleep Events/Limb Movements
posn
Position sensor working
Position sensor working

1=Position sensor working

Polysomnography (PSG)/Sleep Events/Limb Movements
datalost
Was any data lost?
Was any data lost? Polysomnography (PSG)/Administrative
lighoff
Participant reported time to bed
Participant reported time to bed

24-hour clock time written as integer (e.g. 0-2359).

Polysomnography (PSG)/Administrative
npflow
Flow limitation
Flow limitation

1=flow limitation observed

Polysomnography (PSG)/Administrative
outlier
Were outliers found (real)
Were outliers found (real) Polysomnography (PSG)/Administrative
sclonp
Lights on - end of study set by scorer
Lights on - end of study set by scorer Polysomnography (PSG)/Administrative
scloutp
Lights on set by scorer
Lights on set by scorer Polysomnography (PSG)/Administrative
slestgpr
Problems with sleep staging
Problems with sleep staging Polysomnography (PSG)/Administrative
stdurm
Study length (epoch 1 to last epoch)
Study length (epoch 1 to last epoch)

Time from recording beginning to end, rounded to nearest minute

Polysomnography (PSG)/Administrative
stendp
Study end time (last epoch recorded or last epoch cropped)
Study end time (last epoch recorded or last epoch cropped) Polysomnography (PSG)/Administrative
ststartp
Study start time (equal to epoch 1 - recorder turned on)
Study start time (equal to epoch 1 - recorder turned on) Polysomnography (PSG)/Administrative
unusocc
Unusual occurrences- physiologic
Unusual occurrences- physiologic Polysomnography (PSG)/Administrative
ahnrembp
Arousals per hour (Non-rapid eye movement sleep (NREM), supine, all oxygen desaturations)
Arousals per hour (Non-rapid eye movement sleep (NREM), supine, all oxygen desaturations) Polysomnography (PSG)/Arousals
ahnremop
Arousals per hour (Non-rapid eye movement sleep (NREM), non-supine, all oxygen desaturations)
Arousals per hour (Non-rapid eye movement sleep (NREM), non-supine, all oxygen desaturations) Polysomnography (PSG)/Arousals
ahrembp
Arousals per hour (Rapid eye movement sleep (REM), supine, all oxygen desaturations)
Arousals per hour (Rapid eye movement sleep (REM), supine, all oxygen desaturations) Polysomnography (PSG)/Arousals
ahremop
Arousals per hour (Rapid eye movement sleep (REM), non-supine, all oxygen desaturations)
Arousals per hour (Rapid eye movement sleep (REM), non-supine, all oxygen desaturations) Polysomnography (PSG)/Arousals
ai_nrem
Arousal index (Non-rapid eye movement sleep (NREM))
Arousal index (Non-rapid eye movement sleep (NREM))

Total arousals in non-rapid eye movement sleep (NREM) per hours of non-rapid eye movement sleep (NREM)

Polysomnography (PSG)/Arousals
ai_rem
Arousal index (Rapid eye movement sleep (REM))
Arousal index (Rapid eye movement sleep (REM))

Total arousals in rapid eye movement sleep (REM) per hours of rapid eye movement sleep (REM)

Polysomnography (PSG)/Arousals
arnrembp
Number of arousals (Non-rapid eye movement sleep (NREM), supine, all oxygen desaturations)
Number of arousals (Non-rapid eye movement sleep (NREM), supine, all oxygen desaturations) Polysomnography (PSG)/Arousals
arnremop
Number of arousals (Non-rapid eye movement sleep (NREM), non-supine, all oxygen desaturations)
Number of arousals (Non-rapid eye movement sleep (NREM), non-supine, all oxygen desaturations) Polysomnography (PSG)/Arousals
arrembp
Number of arousals (Rapid eye movement sleep (REM), supine, all oxygen desaturations)
Number of arousals (Rapid eye movement sleep (REM), supine, all oxygen desaturations) Polysomnography (PSG)/Arousals
arremop
Number of arousals (Rapid eye movement sleep (REM), non-supine, all oxygen desaturations)
Number of arousals (Rapid eye movement sleep (REM), non-supine, all oxygen desaturations) Polysomnography (PSG)/Arousals
a1dur
Total duration of A1 phases
Total duration of A1 phases

Variable created as part of Hartmann et al. 2020 (PMID: 32022886).

Polysomnography (PSG)/Cyclic Alternating Pattern
a2dur
Total duration of A2 phases
Total duration of A2 phases

Variable created as part of Hartmann et al. 2020 (PMID: 32022886).

Polysomnography (PSG)/Cyclic Alternating Pattern
a3dur
Total duration of A3 phases
Total duration of A3 phases

Variable created as part of Hartmann et al. 2020 (PMID: 32022886).

Polysomnography (PSG)/Cyclic Alternating Pattern
aphdur
Total duration of A-phases
Total duration of A-phases

Variable created as part of Hartmann et al. 2020 (PMID: 32022886).

Polysomnography (PSG)/Cyclic Alternating Pattern
avga1dur
Average duration of A1-phases
Average duration of A1-phases

Variable created as part of Hartmann et al. 2020 (PMID: 32022886).

Polysomnography (PSG)/Cyclic Alternating Pattern
avga2dur
Average duration of A2-phases
Average duration of A2-phases

Variable created as part of Hartmann et al. 2020 (PMID: 32022886).

Polysomnography (PSG)/Cyclic Alternating Pattern
avga3dur
Average duration of A3-phases
Average duration of A3-phases

Variable created as part of Hartmann et al. 2020 (PMID: 32022886).

Polysomnography (PSG)/Cyclic Alternating Pattern
avgaphdur
Average duration of A-phases
Average duration of A-phases

Variable created as part of Hartmann et al. 2020 (PMID: 32022886).

Polysomnography (PSG)/Cyclic Alternating Pattern
avgcapdur
Average duration of CAP (cyclic alternating pattern) sequences
Average duration of CAP (cyclic alternating pattern) sequences

Variable created as part of Hartmann et al. 2020 (PMID: 32022886).

Polysomnography (PSG)/Cyclic Alternating Pattern
capdurs
Total duration of CAP (cyclic alternating pattern) sequences
Total duration of CAP (cyclic alternating pattern) sequences

Variable created as part of Hartmann et al. 2020 (PMID: 32022886).

Polysomnography (PSG)/Cyclic Alternating Pattern
nra1
Total number of A1-phases
Total number of A1-phases

Variable created as part of Hartmann et al. 2020 (PMID: 32022886).

Polysomnography (PSG)/Cyclic Alternating Pattern
nra2
Total number of A2-phases
Total number of A2-phases

Variable created as part of Hartmann et al. 2020 (PMID: 32022886).

Polysomnography (PSG)/Cyclic Alternating Pattern
nra3
Total number of A3-phases
Total number of A3-phases

Variable created as part of Hartmann et al. 2020 (PMID: 32022886).

Polysomnography (PSG)/Cyclic Alternating Pattern
nraph
Total number of A-phases
Total number of A-phases

Variable created as part of Hartmann et al. 2020 (PMID: 32022886).

Polysomnography (PSG)/Cyclic Alternating Pattern
nraphph
Number of A-phases per hour of NREM sleep
Number of A-phases per hour of NREM sleep

Variable created as part of Hartmann et al. 2020 (PMID: 32022886).

Polysomnography (PSG)/Cyclic Alternating Pattern
nrcap
Total number of CAP (cyclic alternating pattern) sequences
Total number of CAP (cyclic alternating pattern) sequences

Variable created as part of Hartmann et al. 2020 (PMID: 32022886).

Polysomnography (PSG)/Cyclic Alternating Pattern
ra1aph
Total number of A1-phases/total number of A-phases
Total number of A1-phases/total number of A-phases

Variable created as part of Hartmann et al. 2020 (PMID: 32022886).

Polysomnography (PSG)/Cyclic Alternating Pattern
ra1nre
Total duration of A1-phases/total duration of NREM sleep
Total duration of A1-phases/total duration of NREM sleep

Variable created as part of Hartmann et al. 2020 (PMID: 32022886).

Polysomnography (PSG)/Cyclic Alternating Pattern
ra2aph
Total number of A2-phases/total number of A-phases
Total number of A2-phases/total number of A-phases

Variable created as part of Hartmann et al. 2020 (PMID: 32022886).

Polysomnography (PSG)/Cyclic Alternating Pattern
ra2nre
Total duration of A2-phases/total duration of NREM sleep
Total duration of A2-phases/total duration of NREM sleep

Variable created as part of Hartmann et al. 2020 (PMID: 32022886).

Polysomnography (PSG)/Cyclic Alternating Pattern
ra3aph
Total number of A3-phases/total number of A-phases
Total number of A3-phases/total number of A-phases

Variable created as part of Hartmann et al. 2020 (PMID: 32022886).

Polysomnography (PSG)/Cyclic Alternating Pattern
ra3nre
Total duration of A3-phases/total duration of NREM sleep
Total duration of A3-phases/total duration of NREM sleep

Variable created as part of Hartmann et al. 2020 (PMID: 32022886).

Polysomnography (PSG)/Cyclic Alternating Pattern
raphsl
Total duration of A-phases/total duration of NREM sleep
Total duration of A-phases/total duration of NREM sleep

Variable created as part of Hartmann et al. 2020 (PMID: 32022886).

Polysomnography (PSG)/Cyclic Alternating Pattern
rcapsl
Total duration of CAP (cyclic alternating pattern) sequences/total duration of NREM sleep
Total duration of CAP (cyclic alternating pattern) sequences/total duration of NREM sleep

Variable created as part of Hartmann et al. 2020 (PMID: 32022886).

Polysomnography (PSG)/Cyclic Alternating Pattern
sldur
Total duration of NREM sleep
Total duration of NREM sleep

Variable created as part of Hartmann et al. 2020 (PMID: 32022886).

Polysomnography (PSG)/Cyclic Alternating Pattern
aavbnbh
Average heart rate (HR) with arousal (Non-rapid eye movement sleep (NREM), supine, all oxygen desaturations)
Average heart rate (HR) with arousal (Non-rapid eye movement sleep (NREM), supine, all oxygen desaturations) Polysomnography (PSG)/Heart Rate (HR)
aavbnoh
Average heart rate (HR) with arousal (Non-rapid eye movement sleep (NREM), non-supine, all oxygen desaturations)
Average heart rate (HR) with arousal (Non-rapid eye movement sleep (NREM), non-supine, all oxygen desaturations) Polysomnography (PSG)/Heart Rate (HR)
aavbrbh
Average heart rate (HR) with arousal (Rapid eye movement sleep (REM), supine, all oxygen desaturations)
Average heart rate (HR) with arousal (Rapid eye movement sleep (REM), supine, all oxygen desaturations) Polysomnography (PSG)/Heart Rate (HR)
aavbroh
Average heart rate (HR) with arousal (Rapid eye movement sleep (REM), non-supine, all oxygen desaturations)
Average heart rate (HR) with arousal (Rapid eye movement sleep (REM), non-supine, all oxygen desaturations) Polysomnography (PSG)/Heart Rate (HR)
amnbnbh
Minimum heart rate (HR) with arousal (Non-rapid eye movement sleep (NREM), supine, all oxygen desaturations)
Minimum heart rate (HR) with arousal (Non-rapid eye movement sleep (NREM), supine, all oxygen desaturations) Polysomnography (PSG)/Heart Rate (HR)
amnbnoh
Minimum heart rate (HR) with arousal (Non-rapid eye movement sleep (NREM), non-supine, all oxygen desaturations)
Minimum heart rate (HR) with arousal (Non-rapid eye movement sleep (NREM), non-supine, all oxygen desaturations) Polysomnography (PSG)/Heart Rate (HR)
amnbrbh
Minimum heart rate (HR) with arousal (Rapid eye movement sleep (REM), supine, all oxygen desaturations)
Minimum heart rate (HR) with arousal (Rapid eye movement sleep (REM), supine, all oxygen desaturations) Polysomnography (PSG)/Heart Rate (HR)
amnbroh
Minimum heart rate (HR) with arousal (Rapid eye movement sleep (REM), non-supine, all oxygen desaturations)
Minimum heart rate (HR) with arousal (Rapid eye movement sleep (REM), non-supine, all oxygen desaturations) Polysomnography (PSG)/Heart Rate (HR)
amxbnbh
Maximum heart rate (HR) with arousal (Non-rapid eye movement sleep (NREM), supine, all oxygen desaturations)
Maximum heart rate (HR) with arousal (Non-rapid eye movement sleep (NREM), supine, all oxygen desaturations) Polysomnography (PSG)/Heart Rate (HR)
amxbnoh
Maximum heart rate (HR) with arousal (Non-rapid eye movement sleep (NREM), non-supine, all oxygen desaturations)
Maximum heart rate (HR) with arousal (Non-rapid eye movement sleep (NREM), non-supine, all oxygen desaturations) Polysomnography (PSG)/Heart Rate (HR)
amxbrbh
Maximum heart rate (HR) with arousal (Rapid eye movement sleep (REM), supine, all oxygen desaturations)
Maximum heart rate (HR) with arousal (Rapid eye movement sleep (REM), supine, all oxygen desaturations) Polysomnography (PSG)/Heart Rate (HR)
amxbroh
Maximum heart rate (HR) with arousal (Rapid eye movement sleep (REM), non-supine, all oxygen desaturations)
Maximum heart rate (HR) with arousal (Rapid eye movement sleep (REM), non-supine, all oxygen desaturations) Polysomnography (PSG)/Heart Rate (HR)
avghrahslp
Average heart rate (HR) associated with apnea and hypopnea (Sleep time onset)
Average heart rate (HR) associated with apnea and hypopnea (Sleep time onset) Polysomnography (PSG)/Heart Rate (HR)
bpmavg
Average heart rate (HR) (entire recording)
Average heart rate (HR) (entire recording) Polysomnography (PSG)/Heart Rate (HR)
davbnbh
Average heart rate (HR) with arousal (Non-rapid eye movement sleep (NREM), supine, >= 3% oxygen desaturation)
Average heart rate (HR) with arousal (Non-rapid eye movement sleep (NREM), supine, >= 3% oxygen desaturation) Polysomnography (PSG)/Heart Rate (HR)
davbnoh
Average heart rate (HR) with arousal (Non-rapid eye movement sleep (NREM), non-supine, >= 3% oxygen desaturation)
Average heart rate (HR) with arousal (Non-rapid eye movement sleep (NREM), non-supine, >= 3% oxygen desaturation) Polysomnography (PSG)/Heart Rate (HR)
davbrbh
Average heart rate (HR) with arousal (Rapid eye movement sleep (REM), supine, >= 3% oxygen desaturation)
Average heart rate (HR) with arousal (Rapid eye movement sleep (REM), supine, >= 3% oxygen desaturation) Polysomnography (PSG)/Heart Rate (HR)
davbroh
Average heart rate (HR) with arousal (Rapid eye movement sleep (REM), non-supine, >= 3% oxygen desaturation)
Average heart rate (HR) with arousal (Rapid eye movement sleep (REM), non-supine, >= 3% oxygen desaturation) Polysomnography (PSG)/Heart Rate (HR)
dmnbnbh
Minimum heart rate (HR) with arousal (Non-rapid eye movement sleep (NREM), supine, >= 3% oxygen desaturation)
Minimum heart rate (HR) with arousal (Non-rapid eye movement sleep (NREM), supine, >= 3% oxygen desaturation) Polysomnography (PSG)/Heart Rate (HR)
dmnbnoh
Minimum heart rate (HR) with arousal (Non-rapid eye movement sleep (NREM), non-supine, >= 3% oxygen desaturation)
Minimum heart rate (HR) with arousal (Non-rapid eye movement sleep (NREM), non-supine, >= 3% oxygen desaturation) Polysomnography (PSG)/Heart Rate (HR)
dmnbrbh
Minimum heart rate (HR) with arousal (Non-rapid eye movement sleep (NREM), supine, >= 3% oxygen desaturation)
Minimum heart rate (HR) with arousal (Non-rapid eye movement sleep (NREM), supine, >= 3% oxygen desaturation) Polysomnography (PSG)/Heart Rate (HR)