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Histogram

Visit vs Central Apnea-Hypopnea Index: (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 sleep from type II polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 1 2,911 15.6 ± 11.5 13.0 0.0 100.0 - 2,911
Visit 2 1,026 18.0 ± 13.8 15.0 0.0 84.0 1,885 2,911
Age at Sleep Visit 1 vs Central Apnea-Hypopnea Index: (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 sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 15.6 ± 11.5 13.0 0.0 100.0 - 2,911
67.0 to 72.0 years 728 14.7 ± 10.6 12.0 0.0 73.0 - 728
72.0 to 76.0 years 728 15.2 ± 11.3 13.0 0.0 100.0 - 728
76.0 to 80.0 years 728 16.2 ± 11.8 13.0 0.0 71.0 - 728
80.0 to 90.0 years 727 16.0 ± 12.2 13.0 0.0 81.0 - 727
Gender vs Central Apnea-Hypopnea Index: (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 sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 15.6 ± 11.5 13.0 0.0 100.0 - 2,911
Female - - - - - - - -
Male 2,911 15.6 ± 11.5 13.0 0.0 100.0 - 2,911
Gender vs Central Apnea-Hypopnea Index: (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 sleep from type II polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 1,026 18.0 ± 13.8 15.0 0.0 84.0 1,885 2,911
Female - - - - - - - -
Male 1,026 18.0 ± 13.8 15.0 0.0 84.0 1,885 2,911
Race Category vs Central Apnea-Hypopnea Index: (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 sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 15.6 ± 11.5 13.0 0.0 100.0 - 2,911
White 2,651 15.6 ± 11.6 13.0 0.0 100.0 - 2,651
African American 99 14.7 ± 11.9 11.0 0.0 71.0 - 99
Asian 85 13.8 ± 10.1 11.0 0.0 45.0 - 85
Native Hawaiian or Other Pacific Islander 3 17.0 ± 5.3 19.0 11.0 21.0 - 3
American Indian or Alaskan Native 1 52.0 - 52.0 52.0 52.0 - 1
Multiracial 30 15.3 ± 9.7 12.0 2.0 38.0 - 30
Unknown 42 14.4 ± 9.1 12.0 1.0 41.0 - 42
Race Category vs Central Apnea-Hypopnea Index: (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 sleep from type II polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 1,026 18.0 ± 13.8 15.0 0.0 84.0 1,885 2,911
White 896 18.4 ± 14.0 15.0 0.0 84.0 1,755 2,651
African American 41 13.2 ± 11.0 10.0 0.0 43.0 58 99
Asian 49 12.3 ± 8.8 12.0 0.0 37.0 36 85
Native Hawaiian or Other Pacific Islander 3 36.7 ± 5.5 34.0 33.0 43.0 - 3
American Indian or Alaskan Native 1 68.0 - 68.0 68.0 68.0 - 1
Multiracial 14 19.7 ± 12.5 18.0 4.0 42.0 16 30
Unknown 22 16.3 ± 12.4 12.0 3.0 43.0 20 42