Gender

Visit Number vs Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) - Obstructive and Mixed Apnea-Hypopnea Index (REM): (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+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or arousal) / hour of REM sleep from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 15.6 ± 17.7 9.3 0.0 92.4 - 453
Follow-up 407 8.3 ± 16.0 2.1 0.0 111.1 46 453
Treatment Arm vs Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) - Obstructive and Mixed Apnea-Hypopnea Index (REM): (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+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or arousal) / hour of REM sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 15.6 ± 17.7 9.3 0.0 92.4 - 453
Early adenotonsillectomy (EAT) 226 16.1 ± 18.0 9.9 0.0 92.4 - 226
Watchful waiting with supportive care (WWSC) 227 15.1 ± 17.5 8.8 0.0 89.6 - 227
Treatment Arm vs Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) - Obstructive and Mixed Apnea-Hypopnea Index (REM): (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+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or arousal) / hour of REM sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 8.3 ± 16.0 2.1 0.0 111.1 46 453
Early adenotonsillectomy (EAT) 199 4.0 ± 8.6 1.3 0.0 63.3 27 226
Watchful waiting with supportive care (WWSC) 208 12.3 ± 20.0 3.6 0.0 111.1 19 227
Child's age vs Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) - Obstructive and Mixed Apnea-Hypopnea Index (REM): (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+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or arousal) / hour of REM sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 15.6 ± 17.7 9.3 0.0 92.4 - 453
5 - 7 years old 329 15.8 ± 17.8 9.2 0.0 89.2 - 329
8 - 10 years old 124 14.9 ± 17.6 9.5 0.0 92.4 - 124
Child's age vs Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) - Obstructive and Mixed Apnea-Hypopnea Index (REM): (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+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or arousal) / hour of REM sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 8.3 ± 16.2 2.1 0.0 111.1 2 399
5 - 7 years old 260 8.7 ± 17.5 1.8 0.0 111.1 2 262
8 - 10 years old 137 7.7 ± 13.4 2.6 0.0 83.1 - 137
Child's gender vs Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) - Obstructive and Mixed Apnea-Hypopnea Index (REM): (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+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or arousal) / hour of REM sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 15.6 ± 17.7 9.3 0.0 92.4 - 453
Female 234 16.0 ± 17.6 9.6 0.0 92.4 - 234
Male 219 15.2 ± 17.9 8.6 0.0 89.6 - 219
Child's gender vs Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) - Obstructive and Mixed Apnea-Hypopnea Index (REM): (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+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or arousal) / hour of REM sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 8.3 ± 16.0 2.1 0.0 111.1 46 453
Female 209 8.3 ± 16.2 2.4 0.0 104.8 25 234
Male 198 8.2 ± 15.8 2.0 0.0 111.1 21 219
Child's race vs Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) - Obstructive and Mixed Apnea-Hypopnea Index (REM): (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+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or arousal) / hour of REM sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 15.6 ± 17.7 9.3 0.0 92.4 - 453
White 156 10.7 ± 14.7 4.6 0.0 76.8 - 156
Black 249 18.5 ± 18.0 12.9 0.0 92.4 - 249
Other 48 16.3 ± 21.8 8.0 0.0 89.6 - 48
Child's race vs Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) - Obstructive and Mixed Apnea-Hypopnea Index (REM): (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+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or arousal) / hour of REM sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 8.3 ± 16.0 2.1 0.0 111.1 46 453
White 147 5.7 ± 15.2 1.4 0.0 111.1 9 156
Black 217 10.9 ± 17.4 3.1 0.0 83.1 32 249
Other 43 3.7 ± 6.2 1.2 0.0 30.0 5 48