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Histogram

Visit vs Apnea-Hypopnea Index (NREM): (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 NREM sleep from type II polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 1 2,911 17.0 ± 16.0 12.0 0.0 95.0 - 2,911
Visit 2 1,026 17.1 ± 16.8 12.0 0.0 98.0 1,885 2,911
Age at Sleep Visit 1 vs Apnea-Hypopnea Index (NREM): (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 NREM sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 17.0 ± 16.0 12.0 0.0 95.0 - 2,911
67.0 to 72.0 years 728 14.5 ± 13.8 10.0 0.0 74.0 - 728
72.0 to 76.0 years 728 16.6 ± 16.6 11.0 0.0 95.0 - 728
76.0 to 80.0 years 728 18.0 ± 16.0 13.0 0.0 91.0 - 728
80.0 to 90.0 years 727 18.9 ± 17.1 13.0 0.0 85.0 - 727
Gender vs Apnea-Hypopnea Index (NREM): (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 NREM sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 17.0 ± 16.0 12.0 0.0 95.0 - 2,911
Female - - - - - - - -
Male 2,911 17.0 ± 16.0 12.0 0.0 95.0 - 2,911
Gender vs Apnea-Hypopnea Index (NREM): (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 NREM sleep from type II polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 1,026 17.1 ± 16.8 12.0 0.0 98.0 1,885 2,911
Female - - - - - - - -
Male 1,026 17.1 ± 16.8 12.0 0.0 98.0 1,885 2,911
Race Category vs Apnea-Hypopnea Index (NREM): (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 NREM sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 17.0 ± 16.0 12.0 0.0 95.0 - 2,911
White 2,651 17.2 ± 16.1 12.0 0.0 95.0 - 2,651
African American 99 13.2 ± 14.0 8.0 0.0 73.0 - 99
Asian 85 16.3 ± 14.4 11.0 0.0 55.0 - 85
Native Hawaiian or Other Pacific Islander 3 25.0 ± 21.4 18.0 8.0 49.0 - 3
American Indian or Alaskan Native 1 63.0 - 63.0 63.0 63.0 - 1
Multiracial 30 16.5 ± 13.2 11.0 0.0 45.0 - 30
Unknown 42 15.8 ± 14.9 11.0 0.0 55.0 - 42
Race Category vs Apnea-Hypopnea Index (NREM): (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 NREM sleep from type II polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 1,026 17.1 ± 16.8 12.0 0.0 98.0 1,885 2,911
White 896 17.4 ± 16.9 12.0 0.0 98.0 1,755 2,651
African American 41 12.2 ± 15.6 6.0 0.0 73.0 58 99
Asian 49 14.4 ± 14.7 9.0 0.0 57.0 36 85
Native Hawaiian or Other Pacific Islander 3 42.7 ± 12.5 43.0 30.0 55.0 - 3
American Indian or Alaskan Native 1 74.0 - 74.0 74.0 74.0 - 1
Multiracial 14 20.8 ± 18.8 15.5 1.0 59.0 16 30
Unknown 22 13.7 ± 12.8 8.5 1.0 40.0 20 42