Name
oai0p
Label
Obstructive Apnea Index: (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep from type II polysomnography
Description

Calculated - Summary metric of sleep disordered breathing events

Calculation
oai0p = 60 * ( oarbp + oarop + oanbp + oanop ) / slpprdp
Units
events per hour
Type
numeric
Sleep Heart Health Study (SHHS) Visit Number vs Obstructive Apnea Index: (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep from type II polysomnography
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
Interim Follow-up Visit - - - - - - - -
Visit 2 2,651 3.8 ± 7.6 0.8 0.0 78.9 1,429 4,080
CVD Outcomes - - - - - - - -
Age at Sleep Heart Health Study Visit One (SHHS1) vs Obstructive Apnea Index: (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep from type II polysomnography
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
35-44 years 294 2.2 ± 6.0 0.4 0.0 65.2 48 342
45-54 years 903 2.7 ± 7.5 0.5 0.0 106.3 114 1,017
55-64 years 1,589 3.9 ± 8.5 0.9 0.0 82.7 180 1,769
65-74 years 1,426 4.4 ± 7.8 1.4 0.0 85.7 191 1,617
75-84 years 809 5.4 ± 8.4 1.9 0.0 54.0 146 955
85 years or older 85 7.5 ± 9.9 3.2 0.0 36.1 19 104
Gender of the participant vs Obstructive Apnea Index: (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep from type II polysomnography
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
Male 2,442 5.5 ± 9.6 1.8 0.0 89.9 323 2,765
Female 2,664 2.7 ± 6.1 0.6 0.0 106.3 375 3,039
Gender of the participant vs Obstructive Apnea Index: (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep from type II polysomnography
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
Male 1,226 5.0 ± 9.1 1.5 0.0 69.8 635 1,861
Female 1,425 2.8 ± 5.9 0.5 0.0 78.9 794 2,219
Race of the participant vs Obstructive Apnea Index: (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep from type II polysomnography
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
Other 342 3.2 ± 7.8 0.5 0.0 73.7 40 382
Race of the participant vs Obstructive Apnea Index: (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep from type II polysomnography
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
Other 159 2.5 ± 6.0 0.4 0.0 40.2 78 237