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Age

Visit Number vs Maximum duration of hypopnea in NREM sleep in non-supine position: Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation or with arousal from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 17.5 ± 11.6 16.0 0.0 59.0 11 464
Follow-up 407 10.2 ± 10.9 10.0 0.0 74.0 46 453
Treatment Arm vs Maximum duration of hypopnea in NREM sleep in non-supine position: Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation or with arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 17.5 ± 11.6 16.0 0.0 59.0 - 453
Early adenotonsillectomy (EAT) 226 18.3 ± 12.3 17.0 0.0 59.0 - 226
Watchful waiting with supportive care (WWSC) 227 16.6 ± 10.9 16.0 0.0 50.0 - 227
Treatment Arm vs Maximum duration of hypopnea in NREM sleep in non-supine position: Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation or with arousal from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 10.2 ± 10.9 10.0 0.0 74.0 46 453
Early adenotonsillectomy (EAT) 199 6.6 ± 8.2 0.0 0.0 39.0 27 226
Watchful waiting with supportive care (WWSC) 208 13.6 ± 11.9 13.0 0.0 74.0 19 227
Child's age vs Maximum duration of hypopnea in NREM sleep in non-supine position: Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation or with arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 17.5 ± 11.6 16.0 0.0 59.0 - 453
5 - 7 years old 329 17.2 ± 11.8 16.0 0.0 54.0 - 329
8 - 10 years old 124 18.1 ± 11.1 17.5 0.0 59.0 - 124
Child's age vs Maximum duration of hypopnea in NREM sleep in non-supine position: Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation or with arousal from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 10.0 ± 10.8 9.0 0.0 74.0 2 399
5 - 7 years old 260 9.9 ± 10.9 9.0 0.0 74.0 2 262
8 - 10 years old 137 10.2 ± 10.7 10.0 0.0 57.0 - 137
Child's gender vs Maximum duration of hypopnea in NREM sleep in non-supine position: Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation or with arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 17.5 ± 11.6 16.0 0.0 59.0 - 453
Female 234 17.4 ± 11.6 16.0 0.0 59.0 - 234
Male 219 17.5 ± 11.7 17.0 0.0 50.0 - 219
Child's gender vs Maximum duration of hypopnea in NREM sleep in non-supine position: Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation or with arousal from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 10.2 ± 10.9 10.0 0.0 74.0 46 453
Female 209 10.0 ± 11.9 9.0 0.0 74.0 25 234
Male 198 10.4 ± 9.7 10.0 0.0 41.0 21 219
Child's race vs Maximum duration of hypopnea in NREM sleep in non-supine position: Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation or with arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 17.5 ± 11.6 16.0 0.0 59.0 - 453
White 156 16.6 ± 12.0 16.0 0.0 54.0 - 156
Black 249 17.9 ± 11.1 17.0 0.0 59.0 - 249
Other 48 17.9 ± 13.3 17.0 0.0 49.0 - 48
Child's race vs Maximum duration of hypopnea in NREM sleep in non-supine position: Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation or with arousal from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 10.2 ± 10.9 10.0 0.0 74.0 46 453
White 147 7.9 ± 9.8 0.0 0.0 41.0 9 156
Black 217 11.9 ± 11.4 11.0 0.0 74.0 32 249
Other 43 9.0 ± 9.9 8.0 0.0 33.0 5 48