Age

Visit Number vs Ratio of the number of central apneas with no oxygen desaturation threshold used or with arousal to the number of obstructive apneas with no oxygen desaturation threshold used or with arousal from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 322 1.2 ± 2.0 0.5 0.0 15.0 131 453
Follow-up 152 1.2 ± 1.8 0.7 0.0 12.0 301 453
Treatment Arm vs Ratio of the number of central apneas with no oxygen desaturation threshold used or with arousal to the number of obstructive apneas with no oxygen desaturation threshold used or with arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 322 1.2 ± 2.0 0.5 0.0 15.0 131 453
Early adenotonsillectomy (EAT) 160 1.2 ± 2.0 0.5 0.0 15.0 66 226
Watchful waiting with supportive care (WWSC) 162 1.2 ± 1.9 0.5 0.0 12.0 65 227
Treatment Arm vs Ratio of the number of central apneas with no oxygen desaturation threshold used or with arousal to the number of obstructive apneas with no oxygen desaturation threshold used or with arousal from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 152 1.2 ± 1.8 0.7 0.0 12.0 301 453
Early adenotonsillectomy (EAT) 51 1.7 ± 2.4 1.0 0.0 12.0 175 226
Watchful waiting with supportive care (WWSC) 101 1.0 ± 1.4 0.5 0.0 10.0 126 227
Child's age vs Ratio of the number of central apneas with no oxygen desaturation threshold used or with arousal to the number of obstructive apneas with no oxygen desaturation threshold used or with arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 322 1.2 ± 2.0 0.5 0.0 15.0 131 453
5 - 7 years old 243 1.2 ± 2.0 0.5 0.0 14.0 86 329
8 - 10 years old 79 1.1 ± 2.0 0.4 0.0 15.0 45 124
Child's age vs Ratio of the number of central apneas with no oxygen desaturation threshold used or with arousal to the number of obstructive apneas with no oxygen desaturation threshold used or with arousal from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 148 1.1 ± 1.6 0.7 0.0 12.0 251 399
5 - 7 years old 95 1.1 ± 1.5 0.7 0.0 12.0 167 262
8 - 10 years old 53 1.1 ± 1.8 0.5 0.0 10.0 84 137
Child's gender vs Ratio of the number of central apneas with no oxygen desaturation threshold used or with arousal to the number of obstructive apneas with no oxygen desaturation threshold used or with arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 322 1.2 ± 2.0 0.5 0.0 15.0 131 453
Female 161 0.9 ± 1.6 0.4 0.0 15.0 73 234
Male 161 1.4 ± 2.2 0.7 0.0 14.0 58 219
Child's gender vs Ratio of the number of central apneas with no oxygen desaturation threshold used or with arousal to the number of obstructive apneas with no oxygen desaturation threshold used or with arousal from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 152 1.2 ± 1.8 0.7 0.0 12.0 301 453
Female 83 1.1 ± 1.6 0.8 0.0 11.0 151 234
Male 69 1.3 ± 2.1 0.6 0.0 12.0 150 219
Child's race vs Ratio of the number of central apneas with no oxygen desaturation threshold used or with arousal to the number of obstructive apneas with no oxygen desaturation threshold used or with arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 322 1.2 ± 2.0 0.5 0.0 15.0 131 453
White 107 1.8 ± 2.8 1.0 0.0 15.0 49 156
Black 179 0.9 ± 1.3 0.4 0.0 7.0 70 249
Other 36 0.5 ± 0.7 0.3 0.0 3.0 12 48
Child's race vs Ratio of the number of central apneas with no oxygen desaturation threshold used or with arousal to the number of obstructive apneas with no oxygen desaturation threshold used or with arousal from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 152 1.2 ± 1.8 0.7 0.0 12.0 301 453
White 48 2.1 ± 2.7 1.0 0.0 12.0 108 156
Black 87 0.8 ± 0.9 0.5 0.0 5.0 162 249
Other 17 0.8 ± 0.9 0.6 0.0 3.0 31 48