oai4p oardnba
Name
oai4pa
Label
Obstructive Apnea Index: (Obstructive apneas with >= 4% oxygen desaturation or with arousal) / hour of sleep from type II polysomnography
Calculation
oai4pa = 60 * ( oarba4 + oaroa4 + oanba4 + oanoa4 ) / slpprdp
Units
events per hour
Type
numeric
Tags
oai_oa4r_f1t2
Visit number vs Obstructive Apnea Index: (Obstructive apneas with >= 4% oxygen desaturation or with arousal) / hour of sleep from type II polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 8 456 2.9 ± 6.1 0.5 0.0 65.8 5 461
Age (categorical) vs Obstructive Apnea Index: (Obstructive apneas with >= 4% oxygen desaturation or with arousal) / hour of sleep from type II polysomnography
Visit 8
N Mean StdDev Median Min Max Unknown Total
Total 450 2.9 ± 6.1 0.6 0.0 65.8 5 455
75-84 years 321 2.7 ± 5.7 0.6 0.0 65.8 4 325
85 years or older 129 3.3 ± 7.1 0.4 0.0 45.1 1 130
Gender vs Obstructive Apnea Index: (Obstructive apneas with >= 4% oxygen desaturation or with arousal) / hour of sleep from type II polysomnography
Visit 8
N Mean StdDev Median Min Max Unknown Total
Total 456 2.9 ± 6.1 0.5 0.0 65.8 5 461
Female 456 2.9 ± 6.1 0.5 0.0 65.8 5 461