Name

ahi_a0h3a

Label

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

Calculation
ahi_a0h3a = 60 * (hremba3 + hroa3 + hnrba3 + hnroa3 + urbpa3 + uropa3 + unrbpa3 + unropa3 + carbp + carop + canbp + canop + oarbp + oarop + oanbp + oanop ) / slpprdp
Units
events per hour
Type
numeric
MESA Exam Number vs Apnea-Hypopnea Index (AHI) >= 3% - number of [all 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 24.1 ± 19.6 18.4 0.0 112.0 180 2,237
Participant Age at MESA Sleep Visit vs Apnea-Hypopnea Index (AHI) >= 3% - number of [all 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 24.1 ± 19.6 18.4 0.0 112.0 180 2,237
54.0 to 62.0 years 520 21.4 ± 19.8 14.8 0.0 112.0 40 560
62.0 to 69.0 years 536 25.1 ± 21.0 18.8 0.1 104.3 23 559
69.0 to 77.0 years 511 24.5 ± 18.8 19.5 0.3 100.2 48 559
77.0 to 95.0 years 490 25.6 ± 18.2 21.3 0.0 103.7 69 559
Gender vs Apnea-Hypopnea Index (AHI) >= 3% - number of [all 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 24.1 ± 19.6 18.4 0.0 112.0 180 2,237
Female 1,103 19.5 ± 16.9 14.8 0.0 111.3 95 1,198
Male 954 29.6 ± 20.9 24.6 0.9 112.0 85 1,039
Race/ethnicity vs Apnea-Hypopnea Index (AHI) >= 3% - number of [all 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 24.1 ± 19.6 18.4 0.0 112.0 180 2,237
White, Caucasian 743 23.4 ± 19.2 17.4 0.0 104.3 87 830
Chinese American 250 24.5 ± 19.1 20.2 0.1 94.1 15 265
Black, African-American 573 23.1 ± 20.2 17.3 0.1 112.0 43 616
Hispanic 491 26.3 ± 19.5 20.9 0.0 103.7 35 526