Name

ahi_c0h3a

Label

Central Apnea-Hypopnea Index (AHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation or arousal] per hour of sleep

Calculation
ahi_c0h3a = 60 * (hremba3 + hroa3 + hnrba3 + hnroa3 + urbpa3 + uropa3 + unrbpa3 + unropa3 + carbp + carop + canbp + canop) / slpprdp
Units
events per hour
Type
numeric
MESA Exam Number vs Central Apnea-Hypopnea Index (AHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation or arousal] per hour of sleep
N Mean StdDev Median Min Max Unknown Total
Exam 5 2,057 20.1 ± 15.8 15.6 0.0 108.1 180 2,237
Participant Age at MESA Sleep Visit vs Central Apnea-Hypopnea Index (AHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation or arousal] per hour of sleep
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,057 20.1 ± 15.8 15.6 0.0 108.1 180 2,237
54.0 to 62.0 years 520 18.5 ± 16.6 13.6 0.0 108.1 40 560
62.0 to 69.0 years 536 20.8 ± 16.6 16.3 0.1 102.6 23 559
69.0 to 77.0 years 511 20.8 ± 15.7 16.4 0.3 100.0 48 559
77.0 to 95.0 years 490 20.6 ± 14.2 17.5 0.0 92.9 69 559
Gender vs Central Apnea-Hypopnea Index (AHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation or arousal] per hour of sleep
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,057 20.1 ± 15.8 15.6 0.0 108.1 180 2,237
Female 1,103 17.0 ± 14.7 13.1 0.0 108.1 95 1,198
Male 954 23.7 ± 16.3 20.4 0.8 100.0 85 1,039
Race/ethnicity vs Central Apnea-Hypopnea Index (AHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation or arousal] per hour of sleep
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,057 20.1 ± 15.8 15.6 0.0 108.1 180 2,237
White, Caucasian 743 20.2 ± 16.1 15.2 0.0 102.6 87 830
Chinese American 250 19.5 ± 15.2 15.7 0.0 75.5 15 265
Black, African-American 573 18.8 ± 16.0 14.3 0.1 108.1 43 616
Hispanic 491 22.1 ± 15.5 18.4 0.0 92.9 35 526