Treatment Arm

Visit Number vs Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with >= 4% 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 1.5 ± 5.2 0.2 0.0 94.7 - 453
Follow-up 407 0.9 ± 3.6 0.0 0.0 45.1 46 453
Treatment Arm vs Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with >= 4% 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 1.5 ± 5.2 0.2 0.0 94.7 - 453
Early adenotonsillectomy (EAT) 226 1.3 ± 2.7 0.0 0.0 19.7 - 226
Watchful waiting with supportive care (WWSC) 227 1.7 ± 6.9 0.3 0.0 94.7 - 227
Treatment Arm vs Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with >= 4% 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 0.9 ± 3.6 0.0 0.0 45.1 46 453
Early adenotonsillectomy (EAT) 199 0.2 ± 0.6 0.0 0.0 5.5 27 226
Watchful waiting with supportive care (WWSC) 208 1.6 ± 4.9 0.0 0.0 45.1 19 227
Child's age vs Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with >= 4% 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 1.5 ± 5.2 0.2 0.0 94.7 - 453
5 - 7 years old 329 0.9 ± 1.9 0.0 0.0 11.1 - 329
8 - 10 years old 124 3.0 ± 9.4 0.5 0.0 94.7 - 124
Child's age vs Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with >= 4% 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 0.9 ± 3.6 0.0 0.0 45.1 2 399
5 - 7 years old 260 0.8 ± 2.9 0.0 0.0 26.5 2 262
8 - 10 years old 137 1.2 ± 4.7 0.0 0.0 45.1 - 137
Child's gender vs Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with >= 4% 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 1.5 ± 5.2 0.2 0.0 94.7 - 453
Female 234 1.4 ± 3.4 0.0 0.0 30.3 - 234
Male 219 1.5 ± 6.7 0.3 0.0 94.7 - 219
Child's gender vs Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with >= 4% 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 0.9 ± 3.6 0.0 0.0 45.1 46 453
Female 209 0.9 ± 4.1 0.0 0.0 45.1 25 234
Male 198 0.9 ± 3.0 0.0 0.0 26.5 21 219
Child's race vs Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with >= 4% 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 1.5 ± 5.2 0.2 0.0 94.7 - 453
White 156 1.1 ± 3.2 0.0 0.0 30.3 - 156
Black 249 1.8 ± 6.5 0.3 0.0 94.7 - 249
Other 48 0.9 ± 1.8 0.0 0.0 7.3 - 48
Child's race vs Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with >= 4% 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 0.9 ± 3.6 0.0 0.0 45.1 46 453
White 147 0.9 ± 3.6 0.0 0.0 26.5 9 156
Black 217 0.9 ± 3.8 0.0 0.0 45.1 32 249
Other 43 0.8 ± 2.6 0.0 0.0 16.6 5 48