Histogram

MESA exam number vs Percentage of total sleep duration: (apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and > 3% oxygen desaturation and with or without arousal) from type II polysomnography
N Mean StdDev Median Min Max Unknown Total
Exam 5 2,027 12.6 ± 12.8 8.3 0.0 76.0 210 2,237
Participant Age at MESA Sleep Visit vs Percentage of total sleep duration: (apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and > 3% oxygen desaturation and with or without arousal) from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,027 12.6 ± 12.8 8.3 0.0 76.0 210 2,237
54.0 to 62.0 years 518 10.6 ± 11.8 6.5 0.0 71.1 42 560
62.0 to 69.0 years 527 12.6 ± 12.9 8.7 0.0 72.7 32 559
69.0 to 77.0 years 502 13.0 ± 12.5 8.6 0.0 65.9 57 559
77.0 to 95.0 years 480 14.5 ± 13.6 9.8 0.0 76.0 79 559
Gender of the participant vs Percentage of total sleep duration: (apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and > 3% oxygen desaturation and with or without arousal) from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,027 12.6 ± 12.8 8.3 0.0 76.0 210 2,237
Female 1,088 9.2 ± 9.7 6.1 0.0 76.0 110 1,198
Male 939 16.6 ± 14.6 12.4 0.0 72.7 100 1,039
Race/ethnicity of the participant vs Percentage of total sleep duration: (apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and > 3% oxygen desaturation and with or without arousal) from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,027 12.6 ± 12.8 8.3 0.0 76.0 210 2,237
White, Caucasian 730 11.9 ± 12.0 7.8 0.0 76.0 100 830
Chinese American 244 14.4 ± 14.2 10.3 0.0 64.4 21 265
Black, African-American 568 11.6 ± 12.7 7.1 0.0 71.1 48 616
Hispanic 485 14.1 ± 13.1 10.2 0.0 72.7 41 526