Treatment Arm

Visit Number vs Childhood Adenotonsillectomy Trial (CHAT) Obstructive and Mixed Apnea Index (AHI): (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ mixed apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 2.2 ± 2.7 1.2 0.0 16.6 - 453
Follow-up 407 1.2 ± 4.1 0.2 0.0 49.0 46 453
Treatment Arm vs Childhood Adenotonsillectomy Trial (CHAT) Obstructive and Mixed Apnea Index (AHI): (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ mixed apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 2.2 ± 2.7 1.2 0.0 16.6 - 453
Early adenotonsillectomy (EAT) 226 2.1 ± 2.7 1.1 0.0 16.2 - 226
Watchful waiting with supportive care (WWSC) 227 2.2 ± 2.8 1.2 0.0 16.6 - 227
Treatment Arm vs Childhood Adenotonsillectomy Trial (CHAT) Obstructive and Mixed Apnea Index (AHI): (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ mixed apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 1.2 ± 4.1 0.2 0.0 49.0 46 453
Early adenotonsillectomy (EAT) 199 0.4 ± 1.1 0.1 0.0 12.0 27 226
Watchful waiting with supportive care (WWSC) 208 1.9 ± 5.5 0.4 0.0 49.0 19 227
Child's age vs Childhood Adenotonsillectomy Trial (CHAT) Obstructive and Mixed Apnea Index (AHI): (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ mixed apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 2.2 ± 2.7 1.2 0.0 16.6 - 453
5 - 7 years old 329 2.3 ± 2.8 1.3 0.0 16.6 - 329
8 - 10 years old 124 1.7 ± 2.6 0.8 0.0 15.4 - 124
Child's age vs Childhood Adenotonsillectomy Trial (CHAT) Obstructive and Mixed Apnea Index (AHI): (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ mixed apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 1.2 ± 4.1 0.2 0.0 49.0 2 399
5 - 7 years old 260 1.4 ± 5.0 0.2 0.0 49.0 2 262
8 - 10 years old 137 0.7 ± 1.6 0.3 0.0 13.4 - 137
Child's gender vs Childhood Adenotonsillectomy Trial (CHAT) Obstructive and Mixed Apnea Index (AHI): (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ mixed apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 2.2 ± 2.7 1.2 0.0 16.6 - 453
Female 234 2.2 ± 2.6 1.2 0.0 16.2 - 234
Male 219 2.2 ± 2.9 1.1 0.0 16.6 - 219
Child's gender vs Childhood Adenotonsillectomy Trial (CHAT) Obstructive and Mixed Apnea Index (AHI): (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ mixed apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 1.2 ± 4.1 0.2 0.0 49.0 46 453
Female 209 1.5 ± 5.4 0.3 0.0 49.0 25 234
Male 198 0.9 ± 1.9 0.2 0.0 14.8 21 219
Child's race vs Childhood Adenotonsillectomy Trial (CHAT) Obstructive and Mixed Apnea Index (AHI): (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ mixed apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 2.2 ± 2.7 1.2 0.0 16.6 - 453
White 156 1.6 ± 2.4 0.9 0.0 16.0 - 156
Black 249 2.4 ± 2.8 1.5 0.0 16.2 - 249
Other 48 2.7 ± 3.4 1.4 0.0 16.6 - 48
Child's race vs Childhood Adenotonsillectomy Trial (CHAT) Obstructive and Mixed Apnea Index (AHI): (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ mixed apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 1.2 ± 4.1 0.2 0.0 49.0 46 453
White 147 0.9 ± 4.3 0.2 0.0 49.0 9 156
Black 217 1.5 ± 4.3 0.3 0.0 45.9 32 249
Other 43 0.5 ± 1.2 0.1 0.0 7.3 5 48