Name

ahi_o0h4

Label

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

Calculation
ahi_o0h4 = 60 * (hrembp3 + hrop3 + hnrbp3 + hnrop3 + urbp4 + urop4 + unrbp4 + unrop4 + 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] per hour of sleep
N Mean StdDev Median Min Max Unknown Total
Exam 5 2,057 14.3 ± 16.3 8.7 0.0 102.7 180 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] per hour of sleep
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,057 14.3 ± 16.3 8.7 0.0 102.7 180 2,237
54.0 to 62.0 years 520 12.7 ± 16.3 6.2 0.0 102.7 40 560
62.0 to 69.0 years 536 15.2 ± 17.5 9.3 0.0 95.5 23 559
69.0 to 77.0 years 511 14.5 ± 15.5 9.2 0.0 75.5 48 559
77.0 to 95.0 years 490 15.1 ± 15.6 9.9 0.0 89.3 69 559
Gender vs Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation] per hour of sleep
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,057 14.3 ± 16.3 8.7 0.0 102.7 180 2,237
Female 1,103 10.9 ± 13.6 6.1 0.0 95.5 95 1,198
Male 954 18.3 ± 18.2 12.6 0.0 102.7 85 1,039
Race/ethnicity vs Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation] per hour of sleep
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,057 14.3 ± 16.3 8.7 0.0 102.7 180 2,237
White, Caucasian 743 12.8 ± 15.1 7.2 0.0 95.5 87 830
Chinese American 250 15.2 ± 15.9 9.7 0.0 74.6 15 265
Black, African-American 573 14.4 ± 17.4 8.4 0.0 102.7 43 616
Hispanic 491 16.1 ± 16.7 10.7 0.0 89.3 35 526