Name
cai_pb_ca2u
Label
Central Apnea Index (Supine): (Central apneas with >= 2% oxygen desaturation and with or without arousal) / hour of sleep
Description

Calculated - Summary metric of sleep disordered breathing events

Units
events per hour
Type
numeric
Labels
A4b. Visit of Sleep Study vs Central Apnea Index (Supine): (Central apneas with >= 2% oxygen desaturation and with or without arousal) / hour of sleep
N Mean StdDev Median Min Max Unknown Total
Visit 1 3,012 0.03 ± 0.2 0.0 0.0 8.5 - 3,012
Visit 3 2,332 0.03 ± 0.3 0.0 0.0 9.9 - 2,332
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g vs Central Apnea Index (Supine): (Central apneas with >= 2% oxygen desaturation and with or without arousal) / hour of sleep
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 3,012 0.03 ± 0.2 0.0 0.0 8.5 - 3,012
Non-Hispanic White 1,842 0.04 ± 0.2 0.0 0.0 8.5 - 1,842
Non-Hispanic Black 359 0.02 ± 0.1 0.0 0.0 1.2 - 359
Hispanic 557 0.02 ± 0.1 0.0 0.0 2.0 - 557
Asian 112 0.02 ± 0.07 0.0 0.0 0.5 - 112
Other 142 0.04 ± 0.3 0.0 0.0 3.0 - 142
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g vs Central Apnea Index (Supine): (Central apneas with >= 2% oxygen desaturation and with or without arousal) / hour of sleep
Visit 3
N Mean StdDev Median Min Max Unknown Total
Total 2,332 0.03 ± 0.3 0.0 0.0 9.9 - 2,332
Non-Hispanic White 1,494 0.05 ± 0.4 0.0 0.0 9.9 - 1,494
Non-Hispanic Black 247 0.007 ± 0.04 0.0 0.0 0.3 - 247
Hispanic 397 0.01 ± 0.1 0.0 0.0 1.4 - 397
Asian 84 0.03 ± 0.1 0.0 0.0 0.5 - 84
Other 110 0.02 ± 0.09 0.0 0.0 0.7 - 110