Name

oai4p

Label

Obstructive apnea index >=4% desaturations

Description

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

Calculation
oai4p = 60*(oarbp4 + oarop4 + oanbp4 + oanop4 ) / slpprdp
Units
events per hour
Type
numeric
Visit Number vs Obstructive apnea index >=4% desaturations
N Mean StdDev Median Min Max Unknown Total
Baseline 453 0.7 ± 1.3 0.2 0.0 10.7 11 464
Follow-up 407 0.5 ± 2.2 0.0 0.0 23.6 46 453
Treatment Arm vs Obstructive apnea index >=4% desaturations
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 0.7 ± 1.3 0.2 0.0 10.7 - 453
Early adenotonsillectomy (EAT) 226 0.7 ± 1.3 0.2 0.0 10.7 - 226
Watchful waiting with supportive care (WWSC) 227 0.7 ± 1.2 0.1 0.0 6.6 - 227
Treatment Arm vs Obstructive apnea index >=4% desaturations
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 0.5 ± 2.2 0.0 0.0 23.6 46 453
Early adenotonsillectomy (EAT) 199 0.1 ± 0.6 0.0 0.0 5.6 27 226
Watchful waiting with supportive care (WWSC) 208 0.9 ± 3.0 0.0 0.0 23.6 19 227
Age vs Obstructive apnea index >=4% desaturations
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 0.7 ± 1.3 0.2 0.0 10.7 - 453
5 - 7 years old 329 0.7 ± 1.2 0.2 0.0 6.7 - 329
8 - 10 years old 124 0.7 ± 1.3 0.1 0.0 10.7 - 124
Age vs Obstructive apnea index >=4% desaturations
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 0.5 ± 2.2 0.0 0.0 23.6 2 399
5 - 7 years old 260 0.6 ± 2.6 0.0 0.0 23.6 2 262
8 - 10 years old 137 0.3 ± 1.1 0.0 0.0 11.3 - 137
Gender vs Obstructive apnea index >=4% desaturations
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 0.7 ± 1.3 0.2 0.0 10.7 - 453
Female 234 0.7 ± 1.3 0.2 0.0 10.7 - 234
Male 219 0.7 ± 1.2 0.1 0.0 6.7 - 219
Gender vs Obstructive apnea index >=4% desaturations
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 0.5 ± 2.2 0.0 0.0 23.6 46 453
Female 209 0.6 ± 2.9 0.0 0.0 23.6 25 234
Male 198 0.3 ± 1.2 0.0 0.0 9.7 21 219
Race vs Obstructive apnea index >=4% desaturations
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 0.7 ± 1.3 0.2 0.0 10.7 - 453
White 156 0.4 ± 1.0 0.1 0.0 5.6 - 156
Black 249 0.8 ± 1.4 0.3 0.0 10.7 - 249
Other 48 0.8 ± 1.4 0.2 0.0 6.6 - 48
Race vs Obstructive apnea index >=4% desaturations
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 0.5 ± 2.2 0.0 0.0 23.6 46 453
White 147 0.4 ± 2.1 0.0 0.0 23.6 9 156
Black 217 0.7 ± 2.4 0.0 0.0 22.3 32 249
Other 43 0.09 ± 0.2 0.0 0.0 1.1 5 48