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Race

Visit Number vs Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) - Obstructive and Mixed Apnea-Hypopnea Index (NREM): (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 NREM sleep from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 4.8 ± 4.4 3.2 0.0 31.7 - 453
Follow-up 407 2.8 ± 6.9 0.9 0.0 68.7 46 453
Treatment Arm vs Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) - Obstructive and Mixed Apnea-Hypopnea Index (NREM): (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 NREM sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 4.8 ± 4.4 3.2 0.0 31.7 - 453
Early adenotonsillectomy (EAT) 226 4.7 ± 4.5 3.2 0.2 31.7 - 226
Watchful waiting with supportive care (WWSC) 227 4.8 ± 4.4 3.3 0.0 22.6 - 227
Treatment Arm vs Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) - Obstructive and Mixed Apnea-Hypopnea Index (NREM): (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 NREM sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 2.8 ± 6.9 0.9 0.0 68.7 46 453
Early adenotonsillectomy (EAT) 199 1.1 ± 2.0 0.5 0.0 22.8 27 226
Watchful waiting with supportive care (WWSC) 208 4.5 ± 9.1 1.6 0.0 68.7 19 227
Child's age vs Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) - Obstructive and Mixed Apnea-Hypopnea Index (NREM): (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 NREM sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 4.8 ± 4.4 3.2 0.0 31.7 - 453
5 - 7 years old 329 4.5 ± 4.2 3.0 0.2 31.7 - 329
8 - 10 years old 124 5.4 ± 5.1 3.7 0.0 28.6 - 124
Child's age vs Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) - Obstructive and Mixed Apnea-Hypopnea Index (NREM): (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 NREM sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 2.8 ± 6.9 0.9 0.0 68.7 2 399
5 - 7 years old 260 2.9 ± 7.8 0.8 0.0 68.7 2 262
8 - 10 years old 137 2.6 ± 4.8 1.1 0.0 37.2 - 137
Child's gender vs Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) - Obstructive and Mixed Apnea-Hypopnea Index (NREM): (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 NREM sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 4.8 ± 4.4 3.2 0.0 31.7 - 453
Female 234 5.0 ± 4.7 3.4 0.1 31.7 - 234
Male 219 4.6 ± 4.2 3.1 0.0 22.6 - 219
Child's gender vs Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) - Obstructive and Mixed Apnea-Hypopnea Index (NREM): (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 NREM sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 2.8 ± 6.9 0.9 0.0 68.7 46 453
Female 209 3.1 ± 8.2 0.9 0.0 68.7 25 234
Male 198 2.5 ± 5.1 1.0 0.0 53.6 21 219
Child's race vs Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) - Obstructive and Mixed Apnea-Hypopnea Index (NREM): (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 NREM sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 4.8 ± 4.4 3.2 0.0 31.7 - 453
White 156 4.4 ± 4.1 3.2 0.0 31.7 - 156
Black 249 5.0 ± 4.7 3.2 0.1 28.6 - 249
Other 48 4.9 ± 4.2 3.1 0.8 19.6 - 48
Child's race vs Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) - Obstructive and Mixed Apnea-Hypopnea Index (NREM): (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 NREM sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 2.8 ± 6.9 0.9 0.0 68.7 46 453
White 147 2.7 ± 7.4 0.9 0.0 60.4 9 156
Black 217 2.9 ± 6.8 1.0 0.0 68.7 32 249
Other 43 2.5 ± 5.1 0.8 0.0 31.1 5 48