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Lab comments
lab_comment under Clinical Data/Laboratory Tests in CFS variables
3-level grouped Diabetes - Lab
diabetes_lab under Medical History in HCHS variables
This variable describes the stages of diabetes.
Sleep Study: apnea hypopnea index
ahi 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.
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.
Sleep Study: subject had predominantly obstructive apneas
apnobst 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.
Sleep Study: average apnea duration (sec)
avgapn 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.
Sleep Study: average hypopnea duration (sec)
avghyp 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.
Sleep Study: average oxygen saturation (%)
avgo2 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.
Sleep Study: baseline heartrate
basehr 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.
Sleep Study: baseline oxygen saturation{BaseO2} (%)
baseo2 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.
Sleep Study: hours of sleep
hours 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.
Sleep Study: lowest oxygen saturation (%)
lowo2 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.
Sleep Study: maximum apnea duration (sec)
maxapn 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.
Sleep Study: maximum hypopnea duration (sec)
maxhyp 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.
Sleep Study: % time O2 saturation < 70%
per70 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.
Sleep Study: % time O2 saturation < 75%
per75 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.
Sleep Study: % time O2 saturation < 80%
per80 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.
Sleep Study: % time O2 saturation < 85%
per85 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.
Sleep Study: % time O2 saturation < 90%
per90 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.
Sleep Study: % time O2 saturation < 95%
per95 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.
Sleep Study: # of post hyperapnea apneas
posthyp 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.
Sleep Study: preliminary RDI
prelmrdi 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.
Sleep Study: # of 10 min. intervals in prone position
proneno 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.
Sleep Study: # of 10 minute intervals in supine position
supinno 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.
Subject had help completing questionnaire
askqst under Administrative in CFS variables
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