Age

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 and with or without arousal) / hour of NREM sleep from type II polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 1 2,911 11.6 ± 11.5 8.0 0.0 98.0 - 2,911
Visit 2 1,026 14.1 ± 13.9 10.0 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 and with or without arousal) / hour of NREM sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 11.6 ± 11.5 8.0 0.0 98.0 - 2,911
67.0 to 72.0 years 728 10.6 ± 10.5 7.5 0.0 73.0 - 728
72.0 to 76.0 years 728 11.1 ± 11.3 8.0 0.0 98.0 - 728
76.0 to 80.0 years 728 12.1 ± 11.9 8.0 0.0 69.0 - 728
80.0 to 90.0 years 727 12.5 ± 12.3 8.0 0.0 82.0 - 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 and with or without arousal) / hour of NREM sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 11.6 ± 11.5 8.0 0.0 98.0 - 2,911
Female - - - - - - - -
Male 2,911 11.6 ± 11.5 8.0 0.0 98.0 - 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 and with or without arousal) / hour of NREM sleep from type II polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 1,026 14.1 ± 13.9 10.0 0.0 84.0 1,885 2,911
Female - - - - - - - -
Male 1,026 14.1 ± 13.9 10.0 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 and with or without arousal) / hour of NREM sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 11.6 ± 11.5 8.0 0.0 98.0 - 2,911
White 2,651 11.7 ± 11.6 8.0 0.0 98.0 - 2,651
African American 99 10.8 ± 11.7 6.0 0.0 69.0 - 99
Asian 85 10.5 ± 10.0 7.0 0.0 43.0 - 85
Native Hawaiian or Other Pacific Islander 3 13.3 ± 5.0 14.0 8.0 18.0 - 3
American Indian or Alaskan Native 1 49.0 - 49.0 49.0 49.0 - 1
Multiracial 30 11.9 ± 10.8 8.5 0.0 40.0 - 30
Unknown 42 10.7 ± 9.6 8.0 0.0 42.0 - 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 and with or without arousal) / hour of NREM sleep from type II polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 1,026 14.1 ± 13.9 10.0 0.0 84.0 1,885 2,911
White 896 14.5 ± 14.1 10.0 0.0 84.0 1,755 2,651
African American 41 9.2 ± 10.4 4.0 0.0 42.0 58 99
Asian 49 8.8 ± 8.3 6.0 0.0 31.0 36 85
Native Hawaiian or Other Pacific Islander 3 33.7 ± 4.7 32.0 30.0 39.0 - 3
American Indian or Alaskan Native 1 67.0 - 67.0 67.0 67.0 - 1
Multiracial 14 15.1 ± 12.3 13.0 1.0 36.0 16 30
Unknown 22 11.6 ± 12.7 8.0 0.0 40.0 20 42