Name
ahi_a0h3
Label
Apnea-Hypopnea Index : (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
Calculation
ahi_a0h3 = 60 * (hrembp3 + hrop3 + hnrbp3 + hnrop3 + carbp + carop + canbp + canop + oarbp + oarop + oanbp + oanop + marbp + marop + manrbp + manrop) / slpprdp
Units
events per hour
Type
numeric
Visit Number vs Apnea-Hypopnea Index : (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 6.8 ± 5.8 4.6 0.2 32.4 - 453
Follow-up 407 4.1 ± 7.5 1.9 0.0 72.7 46 453
Treatment Arm vs Apnea-Hypopnea Index : (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 6.8 ± 5.8 4.6 0.2 32.4 - 453
Early adenotonsillectomy (EAT) 226 6.9 ± 5.8 4.9 0.2 32.4 - 226
Watchful waiting with supportive care (WWSC) 227 6.7 ± 5.7 4.4 0.6 29.3 - 227
Treatment Arm vs Apnea-Hypopnea Index : (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 4.1 ± 7.5 1.9 0.0 72.7 46 453
Early adenotonsillectomy (EAT) 199 2.2 ± 3.1 1.3 0.0 30.0 27 226
Watchful waiting with supportive care (WWSC) 208 5.9 ± 9.7 2.6 0.0 72.7 19 227
Child's age vs Apnea-Hypopnea Index : (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 6.8 ± 5.8 4.6 0.2 32.4 - 453
5 - 7 years old 329 6.6 ± 5.5 4.4 0.5 29.3 - 329
8 - 10 years old 124 7.2 ± 6.4 5.2 0.2 32.4 - 124
Child's age vs Apnea-Hypopnea Index : (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 4.1 ± 7.6 1.9 0.0 72.7 2 399
5 - 7 years old 260 4.3 ± 8.6 1.8 0.0 72.7 2 262
8 - 10 years old 137 3.8 ± 5.2 1.9 0.0 33.6 - 137
Child's gender vs Apnea-Hypopnea Index : (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 6.8 ± 5.8 4.6 0.2 32.4 - 453
Female 234 7.0 ± 5.8 5.0 0.2 29.3 - 234
Male 219 6.6 ± 5.7 4.4 0.6 32.4 - 219
Child's gender vs Apnea-Hypopnea Index : (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 4.1 ± 7.5 1.9 0.0 72.7 46 453
Female 209 4.3 ± 8.6 1.7 0.0 72.7 25 234
Male 198 3.9 ± 6.1 2.1 0.0 57.7 21 219
Child's race vs Apnea-Hypopnea Index : (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 6.8 ± 5.8 4.6 0.2 32.4 - 453
White 156 5.7 ± 5.0 4.0 0.2 26.6 - 156
Black 249 7.4 ± 6.1 5.4 0.5 32.4 - 249
Other 48 7.0 ± 6.2 4.3 0.8 24.4 - 48
Child's race vs Apnea-Hypopnea Index : (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 4.1 ± 7.5 1.9 0.0 72.7 46 453
White 147 3.7 ± 8.5 1.7 0.0 72.7 9 156
Black 217 4.6 ± 7.2 2.1 0.0 56.5 32 249
Other 43 3.0 ± 4.9 1.3 0.1 29.5 5 48