Name
cai4p5
Label
Central Apnea Index: (Central apneas with >= 4% oxygen desaturation threshold used and with or without arousal) / hour of sleep from type II polysomnography
Description

Calculated - Summary metric of sleep disordered breathing events

Units
events per hour
Type
numeric
MESA exam number vs Central Apnea Index: (Central apneas with >= 4% oxygen desaturation threshold used and with or without arousal) / hour of sleep from type II polysomnography
N Mean StdDev Median Min Max Unknown Total
Exam 5 2,057 0.3 ± 1.6 0.0 0.0 48.3 180 2,237
Participant Age at MESA Sleep Visit vs Central Apnea Index: (Central apneas with >= 4% oxygen desaturation threshold used and with or without arousal) / hour of sleep from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,057 0.3 ± 1.6 0.0 0.0 48.3 180 2,237
54.0 to 62.0 years 525 0.3 ± 2.2 0.0 0.0 48.3 35 560
62.0 to 69.0 years 532 0.2 ± 0.7 0.0 0.0 9.3 27 559
69.0 to 77.0 years 510 0.2 ± 0.9 0.0 0.0 11.9 49 559
77.0 to 95.0 years 490 0.5 ± 2.0 0.0 0.0 28.6 69 559
Gender of the participant vs Central Apnea Index: (Central apneas with >= 4% oxygen desaturation threshold used and with or without arousal) / hour of sleep from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,057 0.3 ± 1.6 0.0 0.0 48.3 180 2,237
Female 1,103 0.1 ± 0.5 0.0 0.0 11.9 95 1,198
Male 954 0.5 ± 2.3 0.0 0.0 48.3 85 1,039
Race/ethnicity of the participant vs Central Apnea Index: (Central apneas with >= 4% oxygen desaturation threshold used and with or without arousal) / hour of sleep from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,057 0.3 ± 1.6 0.0 0.0 48.3 180 2,237
White, Caucasian 743 0.3 ± 2.0 0.0 0.0 48.3 87 830
Chinese American 250 0.3 ± 1.5 0.0 0.0 19.2 15 265
Black, African-American 573 0.3 ± 1.0 0.0 0.0 11.5 43 616
Hispanic 491 0.3 ± 1.6 0.0 0.0 28.6 35 526