oahi rdi0p
Name
oai0p
Label
Obstructive Apnea Index all oxygen desaturations
Description

Obstructive Apnea Index at all oxygen desaturations [(Total number of obstructive apneas associated with all oxygen desaturations) / (hours of sleep)]

Calculation
oai0p = 60 * ( oarbp + oarop + oanbp + oanop ) / slpprdp
Units
events per hour
Type
numeric
Tags
oai0p
SHHS Visit Number vs Obstructive Apnea Index all oxygen desaturations
N Mean StdDev Median Min Max Unknown Total
Visit 1 5,106 4.0 ± 8.1 1.0 0.0 106.3 698 5,804
Visit 2 2,651 3.8 ± 7.6 0.8 0.0 78.9 1,429 4,080
CVD Outcomes - - - - - - 5,042 5,042
Age at SHHS1 vs Obstructive Apnea Index all oxygen desaturations
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,106 4.0 ± 8.1 1.0 0.0 106.3 698 5,804
39.0 to 55.0 years 1,275 2.7 ± 7.7 0.5 0.0 106.3 176 1,451
55.0 to 63.0 years 1,309 3.6 ± 7.9 0.8 0.0 79.2 142 1,451
63.0 to 72.0 years 1,272 4.7 ± 8.4 1.4 0.0 85.8 179 1,451
72.0 to 100.0 years 1,250 5.3 ± 8.1 1.9 0.0 54.0 201 1,451
Gender vs Obstructive Apnea Index all oxygen desaturations
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,106 4.0 ± 8.1 1.0 0.0 106.3 698 5,804
Female 2,664 2.7 ± 6.1 0.6 0.0 106.3 375 3,039
Male 2,442 5.5 ± 9.6 1.8 0.0 89.9 323 2,765
Gender vs Obstructive Apnea Index all oxygen desaturations
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 2,651 3.8 ± 7.6 0.8 0.0 78.9 1,429 4,080
Female 1,425 2.8 ± 5.9 0.5 0.0 78.9 794 2,219
Male 1,226 5.0 ± 9.1 1.5 0.0 69.8 635 1,861
Race vs Obstructive Apnea Index all oxygen desaturations
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,106 4.0 ± 8.1 1.0 0.0 106.3 698 5,804
white 4,327 4.0 ± 8.0 1.1 0.0 106.3 580 4,907
black 437 4.7 ± 9.4 1.0 0.0 89.9 78 515
native amer/alaskan 10 1.3 ± 1.3 1.0 0.0 3.4 1 11
asian/pacific islander 80 3.4 ± 7.4 0.5 0.0 43.0 8 88
hispanic/mex. amer 250 3.2 ± 8.1 0.6 0.0 73.7 30 280
other 2 2.4 ± 2.6 2.4 0.5 4.2 1 3
Race vs Obstructive Apnea Index all oxygen desaturations
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 2,651 3.8 ± 7.6 0.8 0.0 78.9 1,429 4,080
white 2,311 3.8 ± 7.6 0.9 0.0 78.9 1,276 3,587
black 181 4.7 ± 8.7 1.4 0.0 55.6 75 256
native amer/alaskan 3 0.6 ± 0.6 0.6 0.0 1.1 5 8
asian/pacific islander 34 1.6 ± 3.1 0.4 0.0 14.7 14 48
hispanic/mex. amer 121 2.8 ± 6.6 0.4 0.0 40.2 59 180
other 1 0.3 - 0.3 0.3 0.3 - 1