Gender

Visit vs Central Apnea-Hypopnea Index (NREM): (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 NREM sleep from type II polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 1 2,911 14.6 ± 12.4 11.0 0.0 100.0 - 2,911
Visit 2 1,026 17.0 ± 14.7 13.0 0.0 84.0 1,885 2,911
Age at Sleep Visit 1 vs Central Apnea-Hypopnea Index (NREM): (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 NREM sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 14.6 ± 12.4 11.0 0.0 100.0 - 2,911
67.0 to 72.0 years 728 13.4 ± 11.4 10.0 0.0 77.0 - 728
72.0 to 76.0 years 728 14.2 ± 12.2 11.0 0.0 100.0 - 728
76.0 to 80.0 years 728 15.2 ± 12.6 11.0 0.0 72.0 - 728
80.0 to 90.0 years 727 15.5 ± 13.1 11.0 0.0 84.0 - 727
Gender vs Central Apnea-Hypopnea Index (NREM): (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 NREM sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 14.6 ± 12.4 11.0 0.0 100.0 - 2,911
Female - - - - - - - -
Male 2,911 14.6 ± 12.4 11.0 0.0 100.0 - 2,911
Gender vs Central Apnea-Hypopnea Index (NREM): (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 NREM sleep from type II polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 1,026 17.0 ± 14.7 13.0 0.0 84.0 1,885 2,911
Female - - - - - - - -
Male 1,026 17.0 ± 14.7 13.0 0.0 84.0 1,885 2,911
Race Category vs Central Apnea-Hypopnea Index (NREM): (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 NREM sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 14.6 ± 12.4 11.0 0.0 100.0 - 2,911
White 2,651 14.7 ± 12.4 11.0 0.0 100.0 - 2,651
African American 99 12.8 ± 12.4 9.0 0.0 72.0 - 99
Asian 85 13.1 ± 10.5 10.0 0.0 45.0 - 85
Native Hawaiian or Other Pacific Islander 3 15.3 ± 6.4 18.0 8.0 20.0 - 3
American Indian or Alaskan Native 1 53.0 - 53.0 53.0 53.0 - 1
Multiracial 30 14.6 ± 11.2 11.5 0.0 42.0 - 30
Unknown 42 13.5 ± 9.9 11.5 1.0 45.0 - 42
Race Category vs Central Apnea-Hypopnea Index (NREM): (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 NREM sleep from type II polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 1,026 17.0 ± 14.7 13.0 0.0 84.0 1,885 2,911
White 896 17.5 ± 15.0 13.5 0.0 84.0 1,755 2,651
African American 41 11.2 ± 11.1 8.0 0.0 43.0 58 99
Asian 49 10.7 ± 8.5 9.0 0.0 32.0 36 85
Native Hawaiian or Other Pacific Islander 3 38.7 ± 9.0 34.0 33.0 49.0 - 3
American Indian or Alaskan Native 1 70.0 - 70.0 70.0 70.0 - 1
Multiracial 14 17.9 ± 13.0 15.5 1.0 40.0 16 30
Unknown 22 14.6 ± 13.1 10.5 1.0 42.0 20 42