Name

oai4pa

Label

Obstructive Apnea Index >= 4% - number of [obstructive apneas with >= 4% oxygen desaturation or arousal] per hour of sleep

Calculation
oai4pa = 60 * ( oarba4 + oaroa4 + oanba4 + oanoa4 ) / slpprdp
Units
events per hour
Type
numeric
Visit vs Obstructive Apnea Index >= 4% - number of [obstructive apneas with >= 4% oxygen desaturation or arousal] per hour of sleep
N Mean StdDev Median Min Max Unknown Total
Visit 5 629 3.3 ± 10.1 0.1 0.0 81.1 106 735
Age at time of visit vs Obstructive Apnea Index >= 4% - number of [obstructive apneas with >= 4% oxygen desaturation or arousal] per hour of sleep
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 562 3.2 ± 9.8 0.1 0.0 81.1 96 658
5-14 yrs old 62 0.3 ± 2.0 0.0 0.0 16.1 2 64
15-24 yrs old 108 0.2 ± 0.9 0.0 0.0 8.2 4 112
25-34 yrs old 57 4.2 ± 13.0 0.0 0.0 71.0 5 62
35-44 years 84 3.4 ± 7.1 0.4 0.0 38.0 14 98
45-54 years 111 4.3 ± 13.3 0.3 0.0 81.1 37 148
55-64 years 63 5.3 ± 13.4 0.5 0.0 80.5 21 84
65-74 years 47 4.1 ± 5.6 1.7 0.0 22.2 10 57
75-84 years 28 8.0 ± 13.4 1.9 0.0 47.6 3 31
85 years or older 2 3.7 ± 3.3 3.7 1.3 6.0 - 2
Sex vs Obstructive Apnea Index >= 4% - number of [obstructive apneas with >= 4% oxygen desaturation or arousal] per hour of sleep
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 629 3.3 ± 10.1 0.1 0.0 81.1 106 735
Female 363 1.5 ± 5.8 0.0 0.0 75.9 43 406
Male 266 5.8 ± 13.6 0.2 0.0 81.1 63 329
Race vs Obstructive Apnea Index >= 4% - number of [obstructive apneas with >= 4% oxygen desaturation or arousal] per hour of sleep
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 629 3.3 ± 10.1 0.1 0.0 81.1 106 735
White 253 3.4 ± 10.0 0.1 0.0 76.0 51 304
Black 357 3.4 ± 10.4 0.2 0.0 81.1 52 409
Other 19 0.2 ± 0.6 0.0 0.0 2.5 3 22