Histogram

Visit Number vs Percentage of total sleep duration: (Apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and no oxygen desaturation and only with arousal) from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 1.0 ± 0.9 0.8 0.0 7.3 - 453
Follow-up 407 0.6 ± 1.3 0.2 0.0 15.6 46 453
Treatment Arm vs Percentage of total sleep duration: (Apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and no oxygen desaturation and only with arousal) from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 1.0 ± 0.9 0.8 0.0 7.3 - 453
Early adenotonsillectomy (EAT) 226 1.0 ± 0.9 0.8 0.0 7.3 - 226
Watchful waiting with supportive care (WWSC) 227 1.0 ± 0.9 0.7 0.0 6.1 - 227
Treatment Arm vs Percentage of total sleep duration: (Apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and no oxygen desaturation and only with arousal) from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 0.6 ± 1.3 0.2 0.0 15.6 46 453
Early adenotonsillectomy (EAT) 199 0.3 ± 0.6 0.2 0.0 6.7 27 226
Watchful waiting with supportive care (WWSC) 208 0.9 ± 1.7 0.4 0.0 15.6 19 227
Child's age vs Percentage of total sleep duration: (Apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and no oxygen desaturation and only with arousal) from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 1.0 ± 0.9 0.8 0.0 7.3 - 453
5 - 7 years old 329 1.0 ± 1.0 0.7 0.0 7.3 - 329
8 - 10 years old 124 1.0 ± 0.9 0.8 0.0 4.8 - 124
Child's age vs Percentage of total sleep duration: (Apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and no oxygen desaturation and only with arousal) from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 0.6 ± 1.3 0.2 0.0 15.6 2 399
5 - 7 years old 260 0.6 ± 1.5 0.2 0.0 15.6 2 262
8 - 10 years old 137 0.5 ± 1.0 0.3 0.0 7.5 - 137
Child's gender vs Percentage of total sleep duration: (Apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and no oxygen desaturation and only with arousal) from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 1.0 ± 0.9 0.8 0.0 7.3 - 453
Female 234 1.0 ± 0.9 0.8 0.04 7.3 - 234
Male 219 1.0 ± 0.9 0.7 0.0 6.1 - 219
Child's gender vs Percentage of total sleep duration: (Apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and no oxygen desaturation and only with arousal) from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 0.6 ± 1.3 0.2 0.0 15.6 46 453
Female 209 0.7 ± 1.6 0.2 0.0 15.6 25 234
Male 198 0.6 ± 0.9 0.3 0.0 5.5 21 219
Child's race vs Percentage of total sleep duration: (Apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and no oxygen desaturation and only with arousal) from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 1.0 ± 0.9 0.8 0.0 7.3 - 453
White 156 1.0 ± 0.9 0.7 0.03 7.3 - 156
Black 249 1.0 ± 0.9 0.8 0.0 5.9 - 249
Other 48 1.1 ± 1.0 0.8 0.1 6.1 - 48
Child's race vs Percentage of total sleep duration: (Apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and no oxygen desaturation and only with arousal) from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 0.6 ± 1.3 0.2 0.0 15.6 46 453
White 147 0.5 ± 1.3 0.2 0.0 12.3 9 156
Black 217 0.7 ± 1.4 0.3 0.0 15.6 32 249
Other 43 0.6 ± 0.8 0.3 0.03 3.5 5 48