Age

Visit Number vs Hypopnea Index (NREM, Non-Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of NREM sleep in non-supine position from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 2.8 ± 3.7 1.6 0.0 40.0 - 453
Follow-up 407 1.6 ± 4.3 0.4 0.0 45.1 46 453
Treatment Arm vs Hypopnea Index (NREM, Non-Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of NREM sleep in non-supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 2.8 ± 3.7 1.6 0.0 40.0 - 453
Early adenotonsillectomy (EAT) 226 2.7 ± 3.5 1.6 0.0 25.0 - 226
Watchful waiting with supportive care (WWSC) 227 2.8 ± 4.0 1.8 0.0 40.0 - 227
Treatment Arm vs Hypopnea Index (NREM, Non-Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of NREM sleep in non-supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 1.6 ± 4.3 0.4 0.0 45.1 46 453
Early adenotonsillectomy (EAT) 199 0.6 ± 1.1 0.2 0.0 10.1 27 226
Watchful waiting with supportive care (WWSC) 208 2.5 ± 5.7 0.7 0.0 45.1 19 227
Child's age vs Hypopnea Index (NREM, Non-Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of NREM sleep in non-supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 2.8 ± 3.7 1.6 0.0 40.0 - 453
5 - 7 years old 329 2.7 ± 3.7 1.6 0.0 40.0 - 329
8 - 10 years old 124 3.0 ± 3.6 1.8 0.0 25.0 - 124
Child's age vs Hypopnea Index (NREM, Non-Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of NREM sleep in non-supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 1.6 ± 4.3 0.4 0.0 45.1 2 399
5 - 7 years old 260 1.5 ± 3.9 0.4 0.0 42.0 2 262
8 - 10 years old 137 1.8 ± 5.0 0.5 0.0 45.1 - 137
Child's gender vs Hypopnea Index (NREM, Non-Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of NREM sleep in non-supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 2.8 ± 3.7 1.6 0.0 40.0 - 453
Female 234 2.8 ± 4.1 1.5 0.0 40.0 - 234
Male 219 2.7 ± 3.3 1.7 0.0 25.0 - 219
Child's gender vs Hypopnea Index (NREM, Non-Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of NREM sleep in non-supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 1.6 ± 4.3 0.4 0.0 45.1 46 453
Female 209 1.7 ± 4.7 0.3 0.0 45.1 25 234
Male 198 1.5 ± 3.7 0.5 0.0 42.0 21 219
Child's race vs Hypopnea Index (NREM, Non-Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of NREM sleep in non-supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 2.8 ± 3.7 1.6 0.0 40.0 - 453
White 156 2.7 ± 4.3 1.5 0.0 40.0 - 156
Black 249 2.9 ± 3.5 1.8 0.0 25.0 - 249
Other 48 2.4 ± 2.6 1.5 0.0 10.5 - 48
Child's race vs Hypopnea Index (NREM, Non-Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of NREM sleep in non-supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 1.6 ± 4.3 0.4 0.0 45.1 46 453
White 147 1.4 ± 4.2 0.3 0.0 42.0 9 156
Black 217 1.6 ± 3.6 0.6 0.0 25.1 32 249
Other 43 1.9 ± 6.8 0.4 0.0 45.1 5 48