Histogram

MESA exam number vs Percentage of total sleep duration with hypopneas with 30 - 50% flow reduction and no oxygen desaturation threshold used and with or without arousal from type II polysomnography
N Mean StdDev Median Min Max Unknown Total
Exam 5 2,056 10.2 ± 6.5 9.0 0.0 45.8 181 2,237
Participant Age at MESA Sleep Visit vs Percentage of total sleep duration with hypopneas with 30 - 50% flow reduction and no oxygen desaturation threshold used and with or without arousal from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,056 10.2 ± 6.5 9.0 0.0 45.8 181 2,237
54.0 to 62.0 years 525 9.2 ± 5.9 8.2 0.0 38.7 35 560
62.0 to 69.0 years 531 9.8 ± 6.3 8.8 0.0 33.7 28 559
69.0 to 77.0 years 510 10.7 ± 6.8 9.4 0.0 45.8 49 559
77.0 to 95.0 years 490 11.0 ± 7.0 9.8 0.0 44.2 69 559
Gender of the participant vs Percentage of total sleep duration with hypopneas with 30 - 50% flow reduction and no oxygen desaturation threshold used and with or without arousal from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,056 10.2 ± 6.5 9.0 0.0 45.8 181 2,237
Female 1,102 9.5 ± 6.3 8.3 0.0 44.2 96 1,198
Male 954 10.9 ± 6.7 10.1 0.0 45.8 85 1,039
Race/ethnicity of the participant vs Percentage of total sleep duration with hypopneas with 30 - 50% flow reduction and no oxygen desaturation threshold used and with or without arousal from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,056 10.2 ± 6.5 9.0 0.0 45.8 181 2,237
White, Caucasian 742 10.6 ± 7.0 8.9 0.0 45.8 88 830
Chinese American 250 9.8 ± 5.8 9.2 0.1 33.8 15 265
Black, African-American 573 9.1 ± 5.9 8.2 0.0 43.8 43 616
Hispanic 491 10.9 ± 6.7 9.7 0.0 44.2 35 526