Name

pctle85

Label

Percentage of time <= 85% oxygen saturation (SaO2)

Description

[100*(total number of minutes with oxygen saturation (SaO2) <= 85) / (Total Sleep Time (TST))].

Calculation
pctle85 = pctsa85
Units
percent (%)
Type
numeric
Visit Number vs Percentage of time <= 85% oxygen saturation (SaO2)
N Mean StdDev Median Min Max Unknown Total
Baseline 453 0.02 ± 0.1 0.0 0.0 1.2 11 464
Follow-up 407 0.06 ± 0.8 0.0 0.0 14.5 46 453
Treatment Arm vs Percentage of time <= 85% oxygen saturation (SaO2)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 0.02 ± 0.1 0.0 0.0 1.2 - 453
Early adenotonsillectomy (EAT) 226 0.02 ± 0.09 0.0 0.0 0.8 - 226
Watchful waiting with supportive care (WWSC) 227 0.02 ± 0.1 0.0 0.0 1.2 - 227
Treatment Arm vs Percentage of time <= 85% oxygen saturation (SaO2)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 0.06 ± 0.8 0.0 0.0 14.5 46 453
Early adenotonsillectomy (EAT) 199 0.005 ± 0.05 0.0 0.0 0.7 27 226
Watchful waiting with supportive care (WWSC) 208 0.1 ± 1.0 0.0 0.0 14.5 19 227
Age vs Percentage of time <= 85% oxygen saturation (SaO2)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 0.02 ± 0.1 0.0 0.0 1.2 - 453
5 - 7 years old 329 0.02 ± 0.09 0.0 0.0 0.8 - 329
8 - 10 years old 124 0.03 ± 0.1 0.0 0.0 1.2 - 124
Age vs Percentage of time <= 85% oxygen saturation (SaO2)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 0.07 ± 0.8 0.0 0.0 14.5 2 399
5 - 7 years old 260 0.09 ± 0.9 0.0 0.0 14.5 2 262
8 - 10 years old 137 0.03 ± 0.2 0.0 0.0 2.1 - 137
Gender vs Percentage of time <= 85% oxygen saturation (SaO2)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 0.02 ± 0.1 0.0 0.0 1.2 - 453
Female 234 0.02 ± 0.07 0.0 0.0 0.8 - 234
Male 219 0.03 ± 0.1 0.0 0.0 1.2 - 219
Gender vs Percentage of time <= 85% oxygen saturation (SaO2)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 0.06 ± 0.8 0.0 0.0 14.5 46 453
Female 209 0.1 ± 1.0 0.0 0.0 14.5 25 234
Male 198 0.03 ± 0.2 0.0 0.0 3.1 21 219
Race vs Percentage of time <= 85% oxygen saturation (SaO2)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 0.02 ± 0.1 0.0 0.0 1.2 - 453
White 156 0.009 ± 0.06 0.0 0.0 0.5 - 156
Black 249 0.03 ± 0.1 0.0 0.0 0.8 - 249
Other 48 0.04 ± 0.2 0.0 0.0 1.2 - 48
Race vs Percentage of time <= 85% oxygen saturation (SaO2)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 0.06 ± 0.8 0.0 0.0 14.5 46 453
White 147 0.1 ± 1.2 0.0 0.0 14.5 9 156
Black 217 0.05 ± 0.3 0.0 0.0 3.1 32 249
Other 43 0.002 ± 0.02 0.0 0.0 0.1 5 48