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Histogram

Visit Number vs Central Apnea-Hypopnea Index : (Central apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 4.6 ± 4.3 3.3 0.0 24.4 - 453
Follow-up 407 2.9 ± 4.6 1.4 0.0 52.2 46 453
Treatment Arm vs Central Apnea-Hypopnea Index : (Central apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 4.6 ± 4.3 3.3 0.0 24.4 - 453
Early adenotonsillectomy (EAT) 226 4.7 ± 4.4 3.4 0.0 24.4 - 226
Watchful waiting with supportive care (WWSC) 227 4.5 ± 4.2 3.3 0.0 23.9 - 227
Treatment Arm vs Central Apnea-Hypopnea Index : (Central apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 2.9 ± 4.6 1.4 0.0 52.2 46 453
Early adenotonsillectomy (EAT) 199 1.8 ± 2.3 1.1 0.0 18.0 27 226
Watchful waiting with supportive care (WWSC) 208 3.9 ± 5.9 2.1 0.0 52.2 19 227
Child's age vs Central Apnea-Hypopnea Index : (Central apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 4.6 ± 4.3 3.3 0.0 24.4 - 453
5 - 7 years old 329 4.3 ± 3.9 3.1 0.0 22.6 - 329
8 - 10 years old 124 5.5 ± 4.9 3.9 0.0 24.4 - 124
Child's age vs Central Apnea-Hypopnea Index : (Central apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 2.9 ± 4.7 1.4 0.0 52.2 2 399
5 - 7 years old 260 2.9 ± 4.7 1.4 0.0 52.2 2 262
8 - 10 years old 137 3.1 ± 4.6 1.6 0.0 31.9 - 137
Child's gender vs Central Apnea-Hypopnea Index : (Central apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 4.6 ± 4.3 3.3 0.0 24.4 - 453
Female 234 4.8 ± 4.4 3.5 0.0 23.9 - 234
Male 219 4.4 ± 4.0 3.2 0.1 24.4 - 219
Child's gender vs Central Apnea-Hypopnea Index : (Central apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 2.9 ± 4.6 1.4 0.0 52.2 46 453
Female 209 2.8 ± 4.4 1.3 0.0 31.9 25 234
Male 198 3.0 ± 4.8 1.7 0.0 52.2 21 219
Child's race vs Central Apnea-Hypopnea Index : (Central apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 4.6 ± 4.3 3.3 0.0 24.4 - 453
White 156 4.1 ± 3.7 3.1 0.0 20.7 - 156
Black 249 5.0 ± 4.5 3.6 0.0 24.4 - 249
Other 48 4.3 ± 4.3 2.4 0.3 20.7 - 48
Child's race vs Central Apnea-Hypopnea Index : (Central apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 2.9 ± 4.6 1.4 0.0 52.2 46 453
White 147 2.8 ± 5.5 1.3 0.0 52.2 9 156
Black 217 3.1 ± 3.9 1.7 0.0 31.9 32 249
Other 43 2.4 ± 4.6 1.1 0.1 29.5 5 48