Histogram

Visit Number vs Apnea-Hypopnea Index (NREM): (Apneas with >= 2% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation used and with or without arousal) / hours of NREM sleep from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 4.4 ± 4.5 3.0 0.0 31.3 - 453
Follow-up 407 2.9 ± 6.4 1.2 0.0 60.0 46 453
Treatment Arm vs Apnea-Hypopnea Index (NREM): (Apneas with >= 2% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation used and with or without arousal) / hours of NREM sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 4.4 ± 4.5 3.0 0.0 31.3 - 453
Early adenotonsillectomy (EAT) 226 4.4 ± 4.7 3.0 0.0 31.3 - 226
Watchful waiting with supportive care (WWSC) 227 4.4 ± 4.3 3.1 0.0 22.6 - 227
Treatment Arm vs Apnea-Hypopnea Index (NREM): (Apneas with >= 2% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation used and with or without arousal) / hours of NREM sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 2.9 ± 6.4 1.2 0.0 60.0 46 453
Early adenotonsillectomy (EAT) 199 1.5 ± 2.2 0.8 0.0 23.1 27 226
Watchful waiting with supportive care (WWSC) 208 4.2 ± 8.5 1.5 0.0 60.0 19 227
Child's age vs Apnea-Hypopnea Index (NREM): (Apneas with >= 2% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation used and with or without arousal) / hours of NREM sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 4.4 ± 4.5 3.0 0.0 31.3 - 453
5 - 7 years old 329 4.1 ± 4.1 2.7 0.0 28.0 - 329
8 - 10 years old 124 5.3 ± 5.4 3.4 0.0 31.3 - 124
Child's age vs Apnea-Hypopnea Index (NREM): (Apneas with >= 2% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation used and with or without arousal) / hours of NREM sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 2.9 ± 6.5 1.2 0.0 60.0 2 399
5 - 7 years old 260 3.0 ± 7.3 1.1 0.0 60.0 2 262
8 - 10 years old 137 2.7 ± 4.7 1.4 0.0 36.7 - 137
Child's gender vs Apnea-Hypopnea Index (NREM): (Apneas with >= 2% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation used and with or without arousal) / hours of NREM sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 4.4 ± 4.5 3.0 0.0 31.3 - 453
Female 234 4.5 ± 4.7 3.1 0.0 28.0 - 234
Male 219 4.2 ± 4.3 2.9 0.0 31.3 - 219
Child's gender vs Apnea-Hypopnea Index (NREM): (Apneas with >= 2% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation used and with or without arousal) / hours of NREM sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 2.9 ± 6.4 1.2 0.0 60.0 46 453
Female 209 3.1 ± 7.5 1.1 0.0 60.0 25 234
Male 198 2.7 ± 5.0 1.4 0.0 53.6 21 219
Child's race vs Apnea-Hypopnea Index (NREM): (Apneas with >= 2% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation used and with or without arousal) / hours of NREM sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 4.4 ± 4.5 3.0 0.0 31.3 - 453
White 156 4.1 ± 4.3 2.8 0.0 28.0 - 156
Black 249 4.6 ± 4.7 3.2 0.0 31.3 - 249
Other 48 4.3 ± 4.1 3.0 0.0 21.0 - 48
Child's race vs Apnea-Hypopnea Index (NREM): (Apneas with >= 2% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation used and with or without arousal) / hours of NREM sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 2.9 ± 6.4 1.2 0.0 60.0 46 453
White 147 2.9 ± 7.2 1.2 0.0 55.6 9 156
Black 217 2.9 ± 6.2 1.4 0.0 60.0 32 249
Other 43 2.6 ± 5.0 0.9 0.0 30.9 5 48