Histogram

MESA exam number vs Hypopnea Index (NREM, Non-Supine): (Hypopneas with > 50% flow reduction and no oxygen desaturation threshold used and with or without arousal) / hour of NREM sleep in non-supine position from type II polysomnography
N Mean StdDev Median Min Max Unknown Total
Exam 5 2,057 7.2 ± 12.0 2.4 0.0 102.9 180 2,237
Participant Age at MESA Sleep Visit vs Hypopnea Index (NREM, Non-Supine): (Hypopneas with > 50% flow reduction and no oxygen desaturation threshold used and with or without arousal) / hour of NREM sleep in non-supine position from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,057 7.2 ± 12.0 2.4 0.0 102.9 180 2,237
54.0 to 62.0 years 525 6.0 ± 11.8 1.4 0.0 83.9 35 560
62.0 to 69.0 years 532 8.3 ± 13.4 2.9 0.0 94.3 27 559
69.0 to 77.0 years 510 6.8 ± 10.7 2.5 0.0 56.2 49 559
77.0 to 95.0 years 490 7.5 ± 11.7 3.4 0.0 102.9 69 559
Gender of the participant vs Hypopnea Index (NREM, Non-Supine): (Hypopneas with > 50% flow reduction and no oxygen desaturation threshold used and with or without arousal) / hour of NREM sleep in non-supine position from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,057 7.2 ± 12.0 2.4 0.0 102.9 180 2,237
Female 1,103 5.5 ± 10.4 1.6 0.0 82.4 95 1,198
Male 954 9.1 ± 13.3 3.8 0.0 102.9 85 1,039
Race/ethnicity of the participant vs Hypopnea Index (NREM, Non-Supine): (Hypopneas with > 50% flow reduction and no oxygen desaturation threshold used and with or without arousal) / hour of NREM sleep in non-supine position from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,057 7.2 ± 12.0 2.4 0.0 102.9 180 2,237
White, Caucasian 743 7.7 ± 12.3 3.0 0.0 102.9 87 830
Chinese American 250 7.0 ± 11.1 1.9 0.0 78.1 15 265
Black, African-American 573 6.9 ± 13.0 1.9 0.0 94.3 43 616
Hispanic 491 6.8 ± 10.5 2.5 0.0 79.1 35 526