Name
rdim3p
Label
Apnea-Hypopnea Index: (Apneas with >= 3% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used and with or without arousal) / hour of sleep from type I polysomnography
Description

[(total number of apneas and hypopneas associated with >= 3% desaturation) / (hours of sleep)]

Calculation
Units
events per hour
Type
numeric
Visit Number vs Apnea-Hypopnea Index: (Apneas with >= 3% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used and with or without arousal) / hour of sleep from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 5.5 ± 5.3 3.6 0.0 28.3 - 453
Follow-up 407 3.5 ± 6.8 1.5 0.0 63.3 46 453
Treatment Arm vs Apnea-Hypopnea Index: (Apneas with >= 3% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used and with or without arousal) / hour of sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 5.5 ± 5.3 3.6 0.0 28.3 - 453
Early adenotonsillectomy (EAT) 226 5.6 ± 5.4 3.6 0.0 27.6 - 226
Watchful waiting with supportive care (WWSC) 227 5.4 ± 5.3 3.6 0.0 28.3 - 227
Treatment Arm vs Apnea-Hypopnea Index: (Apneas with >= 3% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used and with or without arousal) / hour of sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 3.5 ± 6.8 1.5 0.0 63.3 46 453
Early adenotonsillectomy (EAT) 199 1.9 ± 2.8 1.2 0.0 26.0 27 226
Watchful waiting with supportive care (WWSC) 208 5.0 ± 8.8 2.0 0.0 63.3 19 227
Child's age vs Apnea-Hypopnea Index: (Apneas with >= 3% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used and with or without arousal) / hour of sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 5.5 ± 5.3 3.6 0.0 28.3 - 453
5 - 7 years old 329 5.2 ± 5.1 3.4 0.0 28.2 - 329
8 - 10 years old 124 6.3 ± 5.9 4.2 0.0 28.3 - 124
Child's age vs Apnea-Hypopnea Index: (Apneas with >= 3% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used and with or without arousal) / hour of sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 3.5 ± 6.8 1.5 0.0 63.3 2 399
5 - 7 years old 260 3.6 ± 7.6 1.3 0.0 63.3 2 262
8 - 10 years old 137 3.3 ± 5.0 1.6 0.0 33.2 - 137
Child's gender vs Apnea-Hypopnea Index: (Apneas with >= 3% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used and with or without arousal) / hour of sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 5.5 ± 5.3 3.6 0.0 28.3 - 453
Female 234 5.7 ± 5.5 3.8 0.0 28.3 - 234
Male 219 5.3 ± 5.1 3.5 0.0 27.6 - 219
Child's gender vs Apnea-Hypopnea Index: (Apneas with >= 3% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used and with or without arousal) / hour of sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 3.5 ± 6.8 1.5 0.0 63.3 46 453
Female 209 3.6 ± 7.6 1.3 0.0 63.3 25 234
Male 198 3.3 ± 5.8 1.6 0.0 57.4 21 219
Child's race vs Apnea-Hypopnea Index: (Apneas with >= 3% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used and with or without arousal) / hour of sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 5.5 ± 5.3 3.6 0.0 28.3 - 453
White 156 4.6 ± 4.5 3.3 0.0 25.4 - 156
Black 249 6.1 ± 5.6 4.1 0.0 28.3 - 249
Other 48 5.4 ± 5.6 3.1 0.3 23.3 - 48
Child's race vs Apnea-Hypopnea Index: (Apneas with >= 3% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used and with or without arousal) / hour of sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 3.5 ± 6.8 1.5 0.0 63.3 46 453
White 147 3.2 ± 7.9 1.3 0.0 63.3 9 156
Black 217 3.9 ± 6.2 1.7 0.0 42.9 32 249
Other 43 2.5 ± 4.7 1.0 0.1 29.5 5 48