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Ethnicity (Hispanic or Latino) of the participant
ethnicity under Demographics in ABC variables
"Hispanic or Latino" is defined as a person of Cuban, Mexican, Puerto Rican, South or Central American or other Spanish culture or origin regardless of race.
Multivitamin: Central Vite
centralv under Medical History/Medications in CFS variables
Multivitamin: Central Vite Select
centvits under Medical History/Medications in CFS variables
Multivitamin: Central Vite Plus
cenvitpl under Medical History/Medications in CFS variables
Sleep Study: subject had predominantly central apneas
apnctr under Sleep Monitoring/Home Sleep Test in CFS variables
A subset of participants had home sleep test (Edentec) as well as in-lab polysomnography at visit 5.
Ratio of the number of central apneas with no oxygen desaturation threshold used and with or without arousal to the number of obstructive apneas with no oxygen desaturation threshold used and with or without arousal from type I polysomnography
cent_obs_ratio under Sleep Monitoring/Polysomnography/Respiratory Event Counts in CFS variables
Ratio of the number of central apneas with no oxygen desaturation threshold used or with arousal to the number of obstructive apneas with no oxygen desaturation threshold used or with arousal from type I polysomnography
cent_obs_ratioa under Sleep Monitoring/Polysomnography/Respiratory Event Counts in CFS variables
Total duration of central apnea in NREM sleep from type I polysomnography
cntdur under Sleep Monitoring/Polysomnography/Respiratory Event Lengths in CFS variables
Total duration of central apnea in NREM sleep in supine position from type I polysomnography
cntdurbp under Sleep Monitoring/Polysomnography/Respiratory Event Lengths in CFS variables
Total duration of central apnea in NREM sleep in non-supine position from type I polysomnography
cntdurop under Sleep Monitoring/Polysomnography/Respiratory Event Lengths in CFS variables
Total duration of central apnea in REM sleep in supine position from type I polysomnography
crtdurbp under Sleep Monitoring/Polysomnography/Respiratory Event Lengths in CFS variables
Total duration of central apnea in REM sleep in non-supine position from type I polysomnography
crtdurop under Sleep Monitoring/Polysomnography/Respiratory Event Lengths in CFS variables
Total duration of central apnea from type I polysomnography
ctdur under Sleep Monitoring/Polysomnography/Respiratory Event Lengths in CFS variables
Number of bradycardia related to central apnea
ponobrc under Sleep Monitoring/Polysomnography/Heart Rate in MROS variables
Number of tachycardia related to central apnea
ponotcc under Sleep Monitoring/Polysomnography/Heart Rate in MROS variables
Withdrawal Reason: Central sleep apnea index greater than 5
centap under Administrative/Withdrawal in HEARTBEAT variables
Central Apnea Index from type III home sleep apnea test
ncaa under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in HEARTBEAT variables
Calculated - Summary metric of sleep disordered breathing events.
Total number of central apneas associated with a desaturation of which the nadir is > 90% oxygen saturation from type III home sleep apnea test
ca90s under Sleep Monitoring/Polysomnography/Respiratory Event Counts in HEARTBEAT variables
Total number of central apneas with no oxygen desaturation threshold used from type III home sleep apnea test
nca under Sleep Monitoring/Polysomnography/Respiratory Event Counts in HEARTBEAT variables
Total number of central apneas with no oxygen desaturation threshold used during estimated sleep in non-supine position from type III home sleep apnea test
ncan under Sleep Monitoring/Polysomnography/Respiratory Event Counts in HEARTBEAT variables
Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)
Total number of central apneas with no oxygen desaturation threshold used during estimated sleep in supine position from type III home sleep apnea test
ncas under Sleep Monitoring/Polysomnography/Respiratory Event Counts in HEARTBEAT variables
Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)
Percentage of central apneas among all respiratory events from type III home sleep apnea test
pca under Sleep Monitoring/Polysomnography/Respiratory Event Counts in HEARTBEAT variables
Average duration of central apneas with no oxygen desaturation threshold used during estimated sleep from type III home sleep apnea test
durca under Sleep Monitoring/Polysomnography/Respiratory Event Length in HEARTBEAT variables
Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)
Maximum duration of central apneas with no oxygen desaturation threshold used from type III home sleep apnea test
maxca under Sleep Monitoring/Polysomnography/Respiratory Event Length in HEARTBEAT variables
Patient is of Hispanic ethnicity
pcori_hispanic_cd under Demographics in NCHSDB variables
A person of Cuban, Mexican, Puerto Rican, South or Central American, or other Spanish culture or origin, regardless of race.
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