Name

ahi_o0h4a

Label

Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep

Calculation
ahi_o0h4a = 60 * (hremba4 + hroa4 + hnrba4 + hnroa4 + urbpa4 + uropa4 + unrbpa4 + unropa4 + oarbp + oarop + oanbp + oanop ) / slpprdp
Units
events per hour
Type
numeric
MESA Exam Number vs Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep
N Mean StdDev Median Min Max Unknown Total
Exam 5 2,057 19.6 ± 17.3 14.3 0.0 104.1 180 2,237
Participant Age at MESA Sleep Visit vs Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,057 19.6 ± 17.3 14.3 0.0 104.1 180 2,237
54.0 to 62.0 years 520 17.2 ± 17.4 11.5 0.0 104.1 40 560
62.0 to 69.0 years 536 20.6 ± 18.7 14.5 0.1 97.5 23 559
69.0 to 77.0 years 511 19.9 ± 16.6 14.6 0.3 83.0 48 559
77.0 to 95.0 years 490 20.8 ± 16.3 16.6 0.0 89.7 69 559
Gender vs Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,057 19.6 ± 17.3 14.3 0.0 104.1 180 2,237
Female 1,103 15.5 ± 14.7 11.3 0.0 97.5 95 1,198
Male 954 24.3 ± 18.9 19.0 0.3 104.1 85 1,039
Race/ethnicity vs Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,057 19.6 ± 17.3 14.3 0.0 104.1 180 2,237
White, Caucasian 743 18.6 ± 16.7 13.4 0.0 97.5 87 830
Chinese American 250 20.4 ± 16.9 15.7 0.0 84.3 15 265
Black, African-American 573 18.7 ± 18.0 13.1 0.1 104.1 43 616
Hispanic 491 21.6 ± 17.6 16.4 0.0 91.5 35 526