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Gender

Visit vs Central Apnea-Hypopnea Index (REM): (Central apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with > 3% desaturation or with arousal) / hour of REM sleep from type II polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 1 2,911 18.9 ± 13.2 17.0 0.0 120.0 - 2,911
Visit 2 1,026 21.5 ± 15.7 19.0 0.0 88.0 1,885 2,911
Age at Sleep Visit 1 vs Central Apnea-Hypopnea Index (REM): (Central apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with > 3% desaturation or with arousal) / hour of REM sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 18.9 ± 13.2 17.0 0.0 120.0 - 2,911
67.0 to 72.0 years 728 19.3 ± 12.8 17.0 0.0 61.0 - 728
72.0 to 76.0 years 728 19.0 ± 13.2 17.0 0.0 120.0 - 728
76.0 to 80.0 years 728 19.8 ± 13.6 17.0 0.0 74.0 - 728
80.0 to 90.0 years 727 17.6 ± 12.9 16.0 0.0 81.0 - 727
Gender vs Central Apnea-Hypopnea Index (REM): (Central apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with > 3% desaturation or with arousal) / hour of REM sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 18.9 ± 13.2 17.0 0.0 120.0 - 2,911
Female - - - - - - - -
Male 2,911 18.9 ± 13.2 17.0 0.0 120.0 - 2,911
Gender vs Central Apnea-Hypopnea Index (REM): (Central apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with > 3% desaturation or with arousal) / hour of REM sleep from type II polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 1,026 21.5 ± 15.7 19.0 0.0 88.0 1,885 2,911
Female - - - - - - - -
Male 1,026 21.5 ± 15.7 19.0 0.0 88.0 1,885 2,911
Race Category vs Central Apnea-Hypopnea Index (REM): (Central apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with > 3% desaturation or with arousal) / hour of REM sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 18.9 ± 13.2 17.0 0.0 120.0 - 2,911
White 2,651 18.9 ± 13.2 17.0 0.0 120.0 - 2,651
African American 99 21.1 ± 13.3 19.0 0.0 55.0 - 99
Asian 85 16.5 ± 12.0 14.0 0.0 54.0 - 85
Native Hawaiian or Other Pacific Islander 3 26.3 ± 5.1 25.0 22.0 32.0 - 3
American Indian or Alaskan Native 1 50.0 - 50.0 50.0 50.0 - 1
Multiracial 30 17.2 ± 11.8 17.0 3.0 43.0 - 30
Unknown 42 18.0 ± 11.8 15.0 2.0 52.0 - 42
Race Category vs Central Apnea-Hypopnea Index (REM): (Central apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with > 3% desaturation or with arousal) / hour of REM sleep from type II polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 1,026 21.5 ± 15.7 19.0 0.0 88.0 1,885 2,911
White 896 21.5 ± 15.6 19.0 0.0 88.0 1,755 2,651
African American 41 20.8 ± 15.9 15.0 0.0 55.0 58 99
Asian 49 18.4 ± 15.1 15.0 0.0 56.0 36 85
Native Hawaiian or Other Pacific Islander 3 26.0 ± 30.8 18.0 0.0 60.0 - 3
American Indian or Alaskan Native 1 63.0 - 63.0 63.0 63.0 - 1
Multiracial 14 26.1 ± 15.0 25.5 5.0 65.0 16 30
Unknown 22 22.4 ± 14.3 17.0 0.0 54.0 20 42