Name
oardnbp4
Label
Obstructive Apnea Index (NREM, Supine) : (Obstructive apneas with >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Description

Calculated - Summary metric of sleep disordered breathing events.

Units
events per hour
Type
numeric
Visit vs Obstructive Apnea Index (NREM, Supine) : (Obstructive apneas with >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 5 732 2.9 ± 11.0 0.0 0.0 120.0 3 735
Participant's age (category) vs Obstructive Apnea Index (NREM, Supine) : (Obstructive apneas with >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 2.9 ± 11.2 0.0 0.0 120.0 3 658
5-14 yrs old 64 0.1 ± 0.4 0.0 0.0 2.5 - 64
15-24 yrs old 112 0.4 ± 3.7 0.0 0.0 39.1 - 112
25-34 yrs old 62 3.8 ± 12.1 0.0 0.0 67.4 - 62
35-44 years 97 3.9 ± 14.7 0.0 0.0 120.0 1 98
45-54 years 146 2.6 ± 10.4 0.0 0.0 93.0 2 148
55-64 years 84 3.5 ± 9.2 0.0 0.0 55.8 - 84
65-74 years 57 3.3 ± 7.7 0.0 0.0 44.2 - 57
75-84 years 31 12.0 ± 26.3 0.7 0.0 120.0 - 31
85 years or older 2 2.8 ± 4.0 2.8 0.0 5.6 - 2
Participant's sex vs Obstructive Apnea Index (NREM, Supine) : (Obstructive apneas with >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 2.9 ± 11.0 0.0 0.0 120.0 3 735
Female 403 0.7 ± 3.5 0.0 0.0 54.3 3 406
Male 329 5.5 ± 15.5 0.0 0.0 120.0 - 329
Participant's race vs Obstructive Apnea Index (NREM, Supine) : (Obstructive apneas with >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 2.9 ± 11.0 0.0 0.0 120.0 3 735
White 302 3.1 ± 12.0 0.0 0.0 120.0 2 304
Black 408 2.8 ± 10.4 0.0 0.0 120.0 1 409
More than one race 22 0.8 ± 3.0 0.0 0.0 13.8 - 22