Name

oai4pa

Label

Obstructive apnea index >=4% or arousal

Description

[(total number of obstructive apneas with >= 4% desaturation or arousal) / (hours of sleep)]

Calculation
oai4pa = 60*(oarba4 + oaroa4 + oanba4 + oanoa4 ) / slpprdp
Units
events per hour
Type
numeric
Visit Number vs Obstructive apnea index >=4% or arousal
N Mean StdDev Median Min Max Unknown Total
Baseline 453 1.0 ± 1.5 0.4 0.0 11.7 11 464
Follow-up 407 0.7 ± 2.7 0.0 0.0 35.2 46 453
Treatment Arm vs Obstructive apnea index >=4% or arousal
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 1.0 ± 1.5 0.4 0.0 11.7 - 453
Early adenotonsillectomy (EAT) 226 1.0 ± 1.6 0.4 0.0 11.7 - 226
Watchful waiting with supportive care (WWSC) 227 1.0 ± 1.5 0.4 0.0 7.4 - 227
Treatment Arm vs Obstructive apnea index >=4% or arousal
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 0.7 ± 2.7 0.0 0.0 35.2 46 453
Early adenotonsillectomy (EAT) 199 0.2 ± 0.8 0.0 0.0 9.0 27 226
Watchful waiting with supportive care (WWSC) 208 1.1 ± 3.7 0.1 0.0 35.2 19 227
Age vs Obstructive apnea index >=4% or arousal
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 1.0 ± 1.5 0.4 0.0 11.7 - 453
5 - 7 years old 329 1.0 ± 1.5 0.4 0.0 7.7 - 329
8 - 10 years old 124 0.9 ± 1.6 0.3 0.0 11.7 - 124
Age vs Obstructive apnea index >=4% or arousal
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 0.7 ± 2.8 0.0 0.0 35.2 2 399
5 - 7 years old 260 0.8 ± 3.3 0.0 0.0 35.2 2 262
8 - 10 years old 137 0.4 ± 1.2 0.1 0.0 11.7 - 137
Gender vs Obstructive apnea index >=4% or arousal
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 1.0 ± 1.5 0.4 0.0 11.7 - 453
Female 234 1.0 ± 1.5 0.4 0.0 11.7 - 234
Male 219 1.0 ± 1.5 0.4 0.0 7.7 - 219
Gender vs Obstructive apnea index >=4% or arousal
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 0.7 ± 2.7 0.0 0.0 35.2 46 453
Female 209 0.9 ± 3.6 0.0 0.0 35.2 25 234
Male 198 0.4 ± 1.3 0.0 0.0 10.5 21 219
Race vs Obstructive apnea index >=4% or arousal
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 1.0 ± 1.5 0.4 0.0 11.7 - 453
White 156 0.7 ± 1.2 0.3 0.0 7.5 - 156
Black 249 1.2 ± 1.6 0.6 0.0 11.7 - 249
Other 48 1.2 ± 1.7 0.5 0.0 7.4 - 48
Race vs Obstructive apnea index >=4% or arousal
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 0.7 ± 2.7 0.0 0.0 35.2 46 453
White 147 0.5 ± 2.4 0.0 0.0 26.5 9 156
Black 217 0.9 ± 3.2 0.1 0.0 35.2 32 249
Other 43 0.3 ± 0.6 0.0 0.0 3.5 5 48