Name
ahi_a0h4a
Label
Apnea-Hypopnea Index (AHI) >= 4% - number of [all apneas] and [hypopneas with >=4% oxygen desaturation or arousal] per hour of sleep
Calculation
ahi_a0h4a = 60 * (hremba4 + hroa4 + hnrba4 + hnroa4 + carbp + carop + canbp + canop + oarbp + oarop + oanbp + oanop + marbp + marop + manrbp + manrop) / slpprdp
Units
events per hour
Type
numeric
Tags
Visit Number vs Apnea-Hypopnea Index (AHI) >= 4% - number of [all apneas] and [hypopneas with >=4% oxygen desaturation or arousal] per hour of sleep
N Mean StdDev Median Min Max Unknown Total
Baseline 453 6.4 ± 5.0 4.7 1.0 32.0 11 464
Follow-up 407 3.8 ± 6.9 1.8 0.0 73.3 46 453
Treatment Arm vs Apnea-Hypopnea Index (AHI) >= 4% - number of [all apneas] and [hypopneas with >=4% oxygen desaturation or arousal] per hour of sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 6.4 ± 5.0 4.7 1.0 32.0 - 453
Early adenotonsillectomy (eAT) 226 6.5 ± 5.1 5.0 1.3 32.0 - 226
Watchful waiting (WWSC) 227 6.3 ± 5.0 4.6 1.0 25.9 - 227
Treatment Arm vs Apnea-Hypopnea Index (AHI) >= 4% - number of [all apneas] and [hypopneas with >=4% oxygen desaturation or arousal] per hour of sleep
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 3.8 ± 6.9 1.8 0.0 73.3 46 453
Early adenotonsillectomy (eAT) 199 2.1 ± 2.9 1.3 0.0 29.9 27 226
Watchful waiting (WWSC) 208 5.5 ± 9.0 2.6 0.0 73.3 19 227
Age vs Apnea-Hypopnea Index (AHI) >= 4% - number of [all apneas] and [hypopneas with >=4% oxygen desaturation or arousal] per hour of sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 6.4 ± 5.0 4.7 1.0 32.0 - 453
5-7 yrs old 329 6.3 ± 4.8 4.6 1.0 25.7 - 329
8-10 yrs old 124 6.6 ± 5.7 4.9 1.3 32.0 - 124
Age vs Apnea-Hypopnea Index (AHI) >= 4% - number of [all apneas] and [hypopneas with >=4% oxygen desaturation or arousal] per hour of sleep
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 3.9 ± 7.0 1.8 0.0 73.3 2 399
5-7 yrs old 260 4.1 ± 8.0 1.8 0.0 73.3 2 262
8-10 yrs old 137 3.4 ± 4.6 1.7 0.0 27.2 - 137
Gender vs Apnea-Hypopnea Index (AHI) >= 4% - number of [all apneas] and [hypopneas with >=4% oxygen desaturation or arousal] per hour of sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 6.4 ± 5.0 4.7 1.0 32.0 - 453
Female 234 6.5 ± 5.0 4.7 1.3 25.9 - 234
Male 219 6.3 ± 5.0 4.7 1.0 32.0 - 219
Gender vs Apnea-Hypopnea Index (AHI) >= 4% - number of [all apneas] and [hypopneas with >=4% oxygen desaturation or arousal] per hour of sleep
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 3.8 ± 6.9 1.8 0.0 73.3 46 453
Female 209 4.1 ± 8.3 1.6 0.0 73.3 25 234
Male 198 3.6 ± 5.1 1.9 0.0 44.5 21 219
Race vs Apnea-Hypopnea Index (AHI) >= 4% - number of [all apneas] and [hypopneas with >=4% oxygen desaturation or arousal] per hour of sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 6.4 ± 5.0 4.7 1.0 32.0 - 453
White 156 5.5 ± 4.3 4.0 1.0 23.0 - 156
Black 249 6.9 ± 5.3 5.2 1.3 32.0 - 249
Other 48 6.7 ± 5.5 4.9 1.5 22.6 - 48
Race vs Apnea-Hypopnea Index (AHI) >= 4% - number of [all apneas] and [hypopneas with >=4% oxygen desaturation or arousal] per hour of sleep
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 3.8 ± 6.9 1.8 0.0 73.3 46 453
White 147 3.4 ± 7.7 1.7 0.0 73.3 9 156
Black 217 4.3 ± 6.8 1.9 0.0 60.5 32 249
Other 43 3.0 ± 4.0 1.5 0.3 23.5 5 48