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Histogram

MESA exam number vs Obstructive Apnea Index (NREM, Supine): (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal) / hour of NREM sleep in supine position from type II polysomnography
N Mean StdDev Median Min Max Unknown Total
Exam 5 2,057 5.7 ± 12.7 0.4 0.0 99.7 180 2,237
Participant Age at MESA Sleep Visit vs Obstructive Apnea Index (NREM, Supine): (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal) / hour of NREM sleep in supine position from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,057 5.7 ± 12.7 0.4 0.0 99.7 180 2,237
54.0 to 62.0 years 525 4.3 ± 11.3 0.0 0.0 97.7 35 560
62.0 to 69.0 years 532 5.7 ± 13.6 0.4 0.0 90.0 27 559
69.0 to 77.0 years 510 5.7 ± 12.0 0.6 0.0 99.7 49 559
77.0 to 95.0 years 490 7.1 ± 13.7 0.9 0.0 79.3 69 559
Gender of the participant vs Obstructive Apnea Index (NREM, Supine): (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal) / hour of NREM sleep in supine position from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,057 5.7 ± 12.7 0.4 0.0 99.7 180 2,237
Female 1,103 2.8 ± 8.2 0.0 0.0 90.0 95 1,198
Male 954 9.0 ± 15.8 1.5 0.0 99.7 85 1,039
Race/ethnicity of the participant vs Obstructive Apnea Index (NREM, Supine): (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal) / hour of NREM sleep in supine position from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,057 5.7 ± 12.7 0.4 0.0 99.7 180 2,237
White, Caucasian 743 5.4 ± 12.2 0.3 0.0 99.7 87 830
Chinese American 250 6.6 ± 12.3 1.0 0.0 66.7 15 265
Black, African-American 573 5.6 ± 14.1 0.3 0.0 97.7 43 616
Hispanic 491 5.7 ± 11.9 0.5 0.0 68.9 35 526