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Histogram

MESA exam number vs Central Apnea Index (NREM, Non-Supine): (Central apneas with no oxygen desaturation threshold used only with 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 0.1 ± 1.0 0.0 0.0 30.0 180 2,237
Participant Age at MESA Sleep Visit vs Central Apnea Index (NREM, Non-Supine): (Central apneas with no oxygen desaturation threshold used only with 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 0.1 ± 1.0 0.0 0.0 30.0 180 2,237
54.0 to 62.0 years 525 0.08 ± 0.5 0.0 0.0 6.1 35 560
62.0 to 69.0 years 532 0.09 ± 0.4 0.0 0.0 5.1 27 559
69.0 to 77.0 years 510 0.1 ± 0.7 0.0 0.0 12.0 49 559
77.0 to 95.0 years 490 0.2 ± 1.8 0.0 0.0 30.0 69 559
Gender of the participant vs Central Apnea Index (NREM, Non-Supine): (Central apneas with no oxygen desaturation threshold used only with 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 0.1 ± 1.0 0.0 0.0 30.0 180 2,237
Female 1,103 0.04 ± 0.2 0.0 0.0 4.4 95 1,198
Male 954 0.2 ± 1.4 0.0 0.0 30.0 85 1,039
Race/ethnicity of the participant vs Central Apnea Index (NREM, Non-Supine): (Central apneas with no oxygen desaturation threshold used only with 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 0.1 ± 1.0 0.0 0.0 30.0 180 2,237
White, Caucasian 743 0.1 ± 1.0 0.0 0.0 17.2 87 830
Chinese American 250 0.1 ± 0.5 0.0 0.0 5.2 15 265
Black, African-American 573 0.2 ± 1.4 0.0 0.0 30.0 43 616
Hispanic 491 0.08 ± 0.4 0.0 0.0 5.8 35 526