Name
rdimnr5p
Label
Apnea-Hypopnea Index (NREM): (Apneas with >= 5% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 5% oxygen desaturation used and with or without arousal) / hours of NREM sleep from type I polysomnography
Description

[(total number of apneas and hypopneas in non-rapid eye movement sleep (NREM) associated with >= 5% desaturation) / (hours of non-rapid eye movement sleep (NREM))]

Calculation
rdimnr5p = 60*(hnrbp5 + hnrop5 + canbp5 + canop5 + oanbp5 + oanop5 + manrbp5 + manrop5) / (slpprdp - minremp)
Units
events per hour
Type
numeric
Visit Number vs Apnea-Hypopnea Index (NREM): (Apneas with >= 5% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 5% 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 0.9 ± 1.7 0.3 0.0 16.0 11 464
Follow-up 407 0.7 ± 2.8 0.1 0.0 42.8 46 453
Treatment Arm vs Apnea-Hypopnea Index (NREM): (Apneas with >= 5% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 5% 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 0.9 ± 1.7 0.3 0.0 16.0 - 453
Early adenotonsillectomy (EAT) 226 0.9 ± 1.8 0.3 0.0 16.0 - 226
Watchful waiting with supportive care (WWSC) 227 0.9 ± 1.6 0.3 0.0 11.2 - 227
Treatment Arm vs Apnea-Hypopnea Index (NREM): (Apneas with >= 5% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 5% 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 0.7 ± 2.8 0.1 0.0 42.8 46 453
Early adenotonsillectomy (EAT) 199 0.3 ± 0.7 0.0 0.0 7.2 27 226
Watchful waiting with supportive care (WWSC) 208 1.2 ± 3.8 0.1 0.0 42.8 19 227
Child's age vs Apnea-Hypopnea Index (NREM): (Apneas with >= 5% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 5% 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 0.9 ± 1.7 0.3 0.0 16.0 - 453
5 - 7 years old 329 0.8 ± 1.4 0.3 0.0 11.2 - 329
8 - 10 years old 124 1.3 ± 2.4 0.5 0.0 16.0 - 124
Child's age vs Apnea-Hypopnea Index (NREM): (Apneas with >= 5% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 5% 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 0.8 ± 2.8 0.1 0.0 42.8 2 399
5 - 7 years old 260 0.8 ± 3.3 0.0 0.0 42.8 2 262
8 - 10 years old 137 0.7 ± 1.7 0.2 0.0 13.6 - 137
Child's gender vs Apnea-Hypopnea Index (NREM): (Apneas with >= 5% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 5% 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 0.9 ± 1.7 0.3 0.0 16.0 - 453
Female 234 0.9 ± 1.8 0.3 0.0 13.9 - 234
Male 219 0.9 ± 1.6 0.4 0.0 16.0 - 219
Child's gender vs Apnea-Hypopnea Index (NREM): (Apneas with >= 5% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 5% 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 0.7 ± 2.8 0.1 0.0 42.8 46 453
Female 209 0.9 ± 3.6 0.0 0.0 42.8 25 234
Male 198 0.6 ± 1.4 0.2 0.0 11.9 21 219
Child's race vs Apnea-Hypopnea Index (NREM): (Apneas with >= 5% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 5% 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 0.9 ± 1.7 0.3 0.0 16.0 - 453
White 156 0.7 ± 1.4 0.2 0.0 11.2 - 156
Black 249 1.1 ± 1.9 0.4 0.0 16.0 - 249
Other 48 0.8 ± 1.6 0.3 0.0 9.0 - 48
Child's race vs Apnea-Hypopnea Index (NREM): (Apneas with >= 5% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 5% 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 0.7 ± 2.8 0.1 0.0 42.8 46 453
White 147 0.7 ± 3.8 0.0 0.0 42.8 9 156
Black 217 0.8 ± 2.1 0.2 0.0 16.7 32 249
Other 43 0.4 ± 1.5 0.0 0.0 9.2 5 48