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Age

Visit Number vs Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 4.0 ± 9.2 1.5 0.0 120.0 11 464
Follow-up 407 2.5 ± 7.5 0.4 0.0 68.5 46 453
Treatment Arm vs Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 4.0 ± 9.2 1.5 0.0 120.0 - 453
Early adenotonsillectomy (EAT) 226 3.7 ± 7.4 1.5 0.0 80.0 - 226
Watchful waiting with supportive care (WWSC) 227 4.2 ± 10.7 1.5 0.0 120.0 - 227
Treatment Arm vs Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 2.5 ± 7.5 0.4 0.0 68.5 46 453
Early adenotonsillectomy (EAT) 199 0.8 ± 1.9 0.2 0.0 15.0 27 226
Watchful waiting with supportive care (WWSC) 208 4.1 ± 10.1 0.7 0.0 68.5 19 227
Child's age vs Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 4.0 ± 9.2 1.5 0.0 120.0 - 453
5 - 7 years old 329 2.8 ± 4.5 1.1 0.0 36.0 - 329
8 - 10 years old 124 7.1 ± 15.5 3.1 0.0 120.0 - 124
Child's age vs Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 2.5 ± 7.6 0.4 0.0 68.5 2 399
5 - 7 years old 260 2.6 ± 7.6 0.3 0.0 66.7 2 262
8 - 10 years old 137 2.5 ± 7.6 0.6 0.0 68.5 - 137
Child's gender vs Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 4.0 ± 9.2 1.5 0.0 120.0 - 453
Female 234 4.4 ± 9.3 1.5 0.0 80.0 - 234
Male 219 3.5 ± 9.1 1.5 0.0 120.0 - 219
Child's gender vs Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 2.5 ± 7.5 0.4 0.0 68.5 46 453
Female 209 2.3 ± 7.1 0.4 0.0 68.5 25 234
Male 198 2.7 ± 7.9 0.4 0.0 66.7 21 219
Child's race vs Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 4.0 ± 9.2 1.5 0.0 120.0 - 453
White 156 3.8 ± 7.9 1.7 0.0 76.4 - 156
Black 249 4.3 ± 10.3 1.6 0.0 120.0 - 249
Other 48 2.8 ± 6.0 0.7 0.0 34.9 - 48
Child's race vs Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 2.5 ± 7.5 0.4 0.0 68.5 46 453
White 147 2.8 ± 8.6 0.4 0.0 66.7 9 156
Black 217 2.4 ± 7.1 0.4 0.0 68.5 32 249
Other 43 2.6 ± 5.5 0.5 0.0 25.3 5 48