Race

Visit Number vs Hypopnea Index (NREM, Non-Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of NREM sleep in non-supine position from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 1.8 ± 2.7 0.9 0.0 20.1 - 453
Follow-up 407 1.1 ± 3.7 0.2 0.0 43.4 46 453
Treatment Arm vs Hypopnea Index (NREM, Non-Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of NREM sleep in non-supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 1.8 ± 2.7 0.9 0.0 20.1 - 453
Early adenotonsillectomy (EAT) 226 1.8 ± 2.8 0.9 0.0 20.1 - 226
Watchful waiting with supportive care (WWSC) 227 1.8 ± 2.6 1.0 0.0 16.3 - 227
Treatment Arm vs Hypopnea Index (NREM, Non-Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without 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 1.1 ± 3.7 0.2 0.0 43.4 46 453
Early adenotonsillectomy (EAT) 199 0.4 ± 0.8 0.0 0.0 7.9 27 226
Watchful waiting with supportive care (WWSC) 208 1.9 ± 5.0 0.3 0.0 43.4 19 227
Child's age vs Hypopnea Index (NREM, Non-Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of NREM sleep in non-supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 1.8 ± 2.7 0.9 0.0 20.1 - 453
5 - 7 years old 329 1.7 ± 2.5 0.8 0.0 16.3 - 329
8 - 10 years old 124 2.1 ± 3.0 1.1 0.0 20.1 - 124
Child's age vs Hypopnea Index (NREM, Non-Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without 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 1.1 ± 3.7 0.2 0.0 43.4 2 399
5 - 7 years old 260 1.0 ± 3.4 0.2 0.0 38.6 2 262
8 - 10 years old 137 1.3 ± 4.3 0.2 0.0 43.4 - 137
Child's gender vs Hypopnea Index (NREM, Non-Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of NREM sleep in non-supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 1.8 ± 2.7 0.9 0.0 20.1 - 453
Female 234 1.9 ± 2.8 1.0 0.0 16.3 - 234
Male 219 1.8 ± 2.6 0.9 0.0 20.1 - 219
Child's gender vs Hypopnea Index (NREM, Non-Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without 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 1.1 ± 3.7 0.2 0.0 43.4 46 453
Female 209 1.2 ± 4.1 0.2 0.0 43.4 25 234
Male 198 1.0 ± 3.2 0.2 0.0 38.6 21 219
Child's race vs Hypopnea Index (NREM, Non-Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of NREM sleep in non-supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 1.8 ± 2.7 0.9 0.0 20.1 - 453
White 156 1.6 ± 2.5 0.9 0.0 16.0 - 156
Black 249 2.0 ± 2.8 1.0 0.0 20.1 - 249
Other 48 1.7 ± 2.3 0.7 0.0 8.1 - 48
Child's race vs Hypopnea Index (NREM, Non-Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without 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 1.1 ± 3.7 0.2 0.0 43.4 46 453
White 147 1.0 ± 3.8 0.0 0.0 38.6 9 156
Black 217 1.1 ± 2.7 0.3 0.0 20.6 32 249
Other 43 1.5 ± 6.6 0.0 0.0 43.4 5 48