Race

Visit Number vs Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of NREM sleep in supine position from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 2.2 ± 4.1 1.0 0.0 40.0 - 453
Follow-up 407 1.5 ± 4.2 0.3 0.0 53.3 46 453
Treatment Arm vs Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of NREM sleep in supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 2.2 ± 4.1 1.0 0.0 40.0 - 453
Early adenotonsillectomy (EAT) 226 2.3 ± 4.3 1.1 0.0 40.0 - 226
Watchful waiting with supportive care (WWSC) 227 2.1 ± 3.9 0.8 0.0 32.7 - 227
Treatment Arm vs Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of NREM sleep in supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 1.5 ± 4.2 0.3 0.0 53.3 46 453
Early adenotonsillectomy (EAT) 199 0.6 ± 1.7 0.0 0.0 15.0 27 226
Watchful waiting with supportive care (WWSC) 208 2.3 ± 5.6 0.6 0.0 53.3 19 227
Child's age vs Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of NREM sleep in supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 2.2 ± 4.1 1.0 0.0 40.0 - 453
5 - 7 years old 329 1.9 ± 3.3 0.8 0.0 36.9 - 329
8 - 10 years old 124 3.0 ± 5.5 1.5 0.0 40.0 - 124
Child's age vs Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of NREM sleep in supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 1.5 ± 4.3 0.3 0.0 53.3 2 399
5 - 7 years old 260 1.6 ± 5.0 0.2 0.0 53.3 2 262
8 - 10 years old 137 1.2 ± 2.5 0.4 0.0 14.5 - 137
Child's gender vs Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of NREM sleep in supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 2.2 ± 4.1 1.0 0.0 40.0 - 453
Female 234 2.4 ± 4.5 1.1 0.0 40.0 - 234
Male 219 1.9 ± 3.5 0.9 0.0 36.9 - 219
Child's gender vs Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of NREM sleep in supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 1.5 ± 4.2 0.3 0.0 53.3 46 453
Female 209 1.4 ± 3.9 0.2 0.0 36.0 25 234
Male 198 1.5 ± 4.6 0.3 0.0 53.3 21 219
Child's race vs Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of NREM sleep in supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 2.2 ± 4.1 1.0 0.0 40.0 - 453
White 156 2.2 ± 3.5 1.3 0.0 32.7 - 156
Black 249 2.1 ± 4.3 0.9 0.0 40.0 - 249
Other 48 2.3 ± 4.4 0.6 0.0 25.8 - 48
Child's race vs Hypopnea Index (NREM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of NREM sleep in supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 1.5 ± 4.2 0.3 0.0 53.3 46 453
White 147 1.5 ± 5.0 0.4 0.0 53.3 9 156
Black 217 1.3 ± 3.3 0.0 0.0 26.3 32 249
Other 43 2.2 ± 5.6 0.6 0.0 36.0 5 48