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Urgent Referral - Obstructive Apnea Index (OAI) > 20 or Apnea-Hypopnea Index (AHI) > 30 = 1 Urgent Ineligible
ahiov30
under Sleep Monitoring/Polysomnography/Signal Quality in
CHAT variables
Cannula Snore Signal Duration (Hours) from type II polysomnography
casndur5
under Sleep Monitoring/Polysomnography/Signal Quality in
MESA variables
Manual Pulse At Time Of Hookup From Sv Form from type II polysomnography
svpulse5
under Sleep Monitoring/Polysomnography/Signal Quality in
MESA variables
Polysomnography (PSG) Scoring Notes (Sleep Heart Health Study Visit One (SHHS1)): Arousals Unreliable
staging4
under Sleep Monitoring/Polysomnography/Signal Quality/SHHS1 in
SHHS variables
Periodic breathing >= 10 minutes
period
under Sleep Monitoring/Polysomnography/Signal Quality in
CHAT variables
1=unusual occurrences - periodic breathing > 5 minutes
Data lost - recording ended before waking
recbeaw
under Sleep Monitoring/Polysomnography/Signal Quality in
CHAT variables
1=data Lost - recording ended before wake
Polysomnography (PSG) Scoring Notes (Sleep Heart Health Study Visit One (SHHS1)): Extreme Values Found
outliercheck1
under Sleep Monitoring/Polysomnography/Signal Quality/SHHS1 in
SHHS variables
Polysomnography (PSG) Scoring Notes (Sleep Heart Health Study Visit One (SHHS1)): Study scored with minimal problems
staging1
under Sleep Monitoring/Polysomnography/Signal Quality/SHHS1 in
SHHS variables
Polysomnography (PSG) Scoring Notes (Sleep Heart Health Study Visit One (SHHS1)): Was entire record scored
restan1
under Sleep Monitoring/Polysomnography/Signal Quality/SHHS1 in
SHHS variables
Scorer ID
scorid
under Sleep Monitoring/Polysomnography/Signal Quality in
CHAT variables
ID of reading center staff who performed scoring
Polysomnography (PSG) Scoring Notes (Sleep Heart Health Study Visit One (SHHS1)): Extreme values remain after review
outliercheck2
under Sleep Monitoring/Polysomnography/Signal Quality/SHHS1 in
SHHS variables
50 percent of periodic limb movements (PLMs) deleted due to occurrence after respiratory event?
plmdel
under Sleep Monitoring/Polysomnography/Signal Quality in
SOF variables
Polysomnography (PSG) Scoring Notes (Sleep Heart Health Study Visit One (SHHS1)): Rapid eye movement sleep (REM) Arousals (only) unreliable
staging7
under Sleep Monitoring/Polysomnography/Signal Quality/SHHS1 in
SHHS variables
Polysomnography (PSG) Scoring Notes (Sleep Heart Health Study Visit One (SHHS1)): Intervening period bad Resp./Oximetry
restan5
under Sleep Monitoring/Polysomnography/Signal Quality/SHHS1 in
SHHS variables
Maximum length respiratory event >30 seconds verified
maxresou30
under Sleep Monitoring/Polysomnography/Signal Quality in
CHAT variables
1=Outlier - max length respiratory event > 30 seconds verified
Date scored
scordt
under Sleep Monitoring/Polysomnography/Signal Quality in
CHAT variables
Date scoring performed at reading center
Polysomnography (PSG) Scoring Notes (Sleep Heart Health Study Visit One (SHHS1)): Scoring started after sleep onset
restan2
under Sleep Monitoring/Polysomnography/Signal Quality/SHHS1 in
SHHS variables
indicate when the recording either started or ended in sleep
Apnea-Hypopnea Index (AHI)
qsahi
under Sleep Monitoring/Polysomnography/Signal Quality in
CHAT variables
Recorded by the scorer on QS form
Obstructive apnea index (OAI)
qsoai
under Sleep Monitoring/Polysomnography/Signal Quality in
CHAT variables
Recorded by the scorer on QS form
Polysomnography (PSG) Scoring Notes (Sleep Heart Health Study Visit One (SHHS1)): Predominant (>=75%) Channel for Scoring Respiratory. Variable not used for Sleep Heart Health Study Visit 2 (SHHS).
respscch
under Sleep Monitoring/Polysomnography/Signal Quality/SHHS1 in
SHHS variables
Polysomnography (PSG) Scoring Notes (Sleep Heart Health Study Visit One (SHHS1)): rapid eye movement sleep (REM)/non-rapid eye movement sleep (NREM) unreliable
staging2
under Sleep Monitoring/Polysomnography/Signal Quality/SHHS1 in
SHHS variables
Alert Mobitz
alertmobitz
under Sleep Monitoring/Polysomnography/Signal Quality in
HEARTBEAT variables
Ventricular pre-excitation Mobitz Type II Atrioventricular (AV) block
Alert Ventricular Tachycardia
alertvtach
under Sleep Monitoring/Polysomnography/Signal Quality in
HEARTBEAT variables
Non-sustained Ventricular Tachycardia (3 beats duration at rate > 120)
Exclusion Saturation
exclsat
under Sleep Monitoring/Polysomnography/Signal Quality in
HEARTBEAT variables
Nocturnal oxygen saturation <85% for >10% of the record
Polysomnography (PSG) Scoring Notes (Sleep Heart Health Study Visit One (SHHS1)): Scoring ended before lights on/awake
restan3
under Sleep Monitoring/Polysomnography/Signal Quality/SHHS1 in
SHHS variables
indicate when the recording either started or ended in sleep
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