Name
ahi_ap0uhp3x3u
Label
Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% 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 Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of sleep
N Mean StdDev Median Min Max Unknown Total
Visit 1 3,012 1.0 ± 2.2 0.3 0.0 44.3 - 3,012
Visit 3 2,332 1.9 ± 4.6 0.7 0.0 147.7 - 2,332
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g vs Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of sleep
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 3,012 1.0 ± 2.2 0.3 0.0 44.3 - 3,012
Non-Hispanic White 1,842 0.9 ± 2.0 0.4 0.0 34.8 - 1,842
Non-Hispanic Black 359 1.3 ± 3.7 0.3 0.0 44.3 - 359
Hispanic 557 0.8 ± 1.6 0.3 0.0 18.2 - 557
Asian 112 1.0 ± 2.0 0.4 0.0 13.5 - 112
Other 142 0.9 ± 2.1 0.3 0.0 19.1 - 142
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g vs Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of sleep
Visit 3
N Mean StdDev Median Min Max Unknown Total
Total 2,332 1.9 ± 4.6 0.7 0.0 147.7 - 2,332
Non-Hispanic White 1,494 1.9 ± 5.2 0.6 0.0 147.7 - 1,494
Non-Hispanic Black 247 2.3 ± 3.9 0.9 0.0 24.2 - 247
Hispanic 397 1.5 ± 2.7 0.6 0.0 22.5 - 397
Asian 84 2.1 ± 2.9 0.7 0.0 15.9 - 84
Other 110 2.1 ± 3.0 1.0 0.0 15.5 - 110