Name
poahi4a
Label
Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 4% oxygen desaturation or with arousal) / hour of sleep from type II polysomnography
Description

Calculated - Summary metric of sleep disordered breathing events.

Units
events per hour
Type
numeric
Visit vs Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 4% oxygen desaturation or with arousal) / hour of sleep from type II polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 1 2,911 17.9 ± 15.2 14.0 0.0 95.0 - 2,911
Visit 2 1,026 17.6 ± 15.9 13.0 0.0 96.0 1,885 2,911
Age at Sleep Visit 1 vs Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 4% oxygen desaturation or with arousal) / hour of sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 17.9 ± 15.2 14.0 0.0 95.0 - 2,911
67.0 to 72.0 years 728 15.8 ± 13.0 12.0 0.0 72.0 - 728
72.0 to 76.0 years 728 17.7 ± 15.8 13.0 0.0 95.0 - 728
76.0 to 80.0 years 728 18.9 ± 15.3 15.0 0.0 85.0 - 728
80.0 to 90.0 years 727 19.2 ± 16.3 14.0 0.0 84.0 - 727
Gender vs Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 4% oxygen desaturation or with arousal) / hour of sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 17.9 ± 15.2 14.0 0.0 95.0 - 2,911
Female - - - - - - - -
Male 2,911 17.9 ± 15.2 14.0 0.0 95.0 - 2,911
Gender vs Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 4% oxygen desaturation or with arousal) / hour of sleep from type II polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 1,026 17.6 ± 15.9 13.0 0.0 96.0 1,885 2,911
Female - - - - - - - -
Male 1,026 17.6 ± 15.9 13.0 0.0 96.0 1,885 2,911
Race Category vs Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 4% oxygen desaturation or with arousal) / hour of sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 17.9 ± 15.2 14.0 0.0 95.0 - 2,911
White 2,651 18.0 ± 15.3 14.0 0.0 95.0 - 2,651
African American 99 15.6 ± 13.7 12.0 0.0 71.0 - 99
Asian 85 17.0 ± 13.7 12.0 0.0 55.0 - 85
Native Hawaiian or Other Pacific Islander 3 26.7 ± 18.0 20.0 13.0 47.0 - 3
American Indian or Alaskan Native 1 59.0 - 59.0 59.0 59.0 - 1
Multiracial 30 17.4 ± 11.9 13.5 2.0 42.0 - 30
Unknown 42 16.8 ± 14.7 12.0 1.0 55.0 - 42
Race Category vs Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 4% oxygen desaturation or with arousal) / hour of sleep from type II polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 1,026 17.6 ± 15.9 13.0 0.0 96.0 1,885 2,911
White 896 17.8 ± 15.9 13.0 0.0 96.0 1,755 2,651
African American 41 13.8 ± 15.4 8.0 0.0 68.0 58 99
Asian 49 15.3 ± 14.2 10.0 0.0 56.0 36 85
Native Hawaiian or Other Pacific Islander 3 40.7 ± 9.7 43.0 30.0 49.0 - 3
American Indian or Alaskan Native 1 72.0 - 72.0 72.0 72.0 - 1
Multiracial 14 21.3 ± 18.3 15.5 1.0 58.0 16 30
Unknown 22 15.0 ± 12.2 12.5 1.0 39.0 20 42