Childhood Adenotonsillectomy Trial

Name

chg_haz

Label

Z-score for length-for-age change between baseline and follow-up

Units
standard deviations from the mean
Type
numeric

Visit Number vs Z-score for length-for-age change between baseline and follow-up

N Mean StdDev Median Min Max Unknown Total
Baseline 398 0.03 ± 0.2 0.02 -1.5 2.0 66 464
Follow-up 398 0.03 ± 0.2 0.02 -1.5 2.0 55 453

Treatment Arm vs Z-score for length-for-age change between baseline and follow-up

Baseline
N Mean StdDev Median Min Max Unknown Total
Total 398 0.03 ± 0.2 0.02 -1.5 2.0 55 453
Early adenotonsillectomy (EAT) 196 0.04 ± 0.2 0.03 -0.5 0.8 30 226
Watchful waiting with supportive care (WWSC) 202 0.02 ± 0.3 0.01 -1.5 2.0 25 227

Treatment Arm vs Z-score for length-for-age change between baseline and follow-up

Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 398 0.03 ± 0.2 0.02 -1.5 2.0 55 453
Early adenotonsillectomy (EAT) 196 0.04 ± 0.2 0.03 -0.5 0.8 30 226
Watchful waiting with supportive care (WWSC) 202 0.02 ± 0.3 0.01 -1.5 2.0 25 227

Age vs Z-score for length-for-age change between baseline and follow-up

Baseline
N Mean StdDev Median Min Max Unknown Total
Total 398 0.03 ± 0.2 0.02 -1.5 2.0 55 453
5 - 7 years old 293 0.02 ± 0.3 0.005 -1.5 2.0 36 329
8 - 10 years old 105 0.06 ± 0.2 0.06 -0.4 0.7 19 124

Age vs Z-score for length-for-age change between baseline and follow-up

Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 398 0.03 ± 0.2 0.02 -1.5 2.0 1 399
5 - 7 years old 261 0.01 ± 0.3 -0.002 -1.5 2.0 1 262
8 - 10 years old 137 0.06 ± 0.2 0.07 -0.4 0.7 - 137

Gender vs Z-score for length-for-age change between baseline and follow-up

Baseline
N Mean StdDev Median Min Max Unknown Total
Total 398 0.03 ± 0.2 0.02 -1.5 2.0 55 453
Female 203 0.04 ± 0.2 0.02 -0.6 1.4 31 234
Male 195 0.03 ± 0.3 0.02 -1.5 2.0 24 219

Gender vs Z-score for length-for-age change between baseline and follow-up

Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 398 0.03 ± 0.2 0.02 -1.5 2.0 55 453
Female 203 0.04 ± 0.2 0.02 -0.6 1.4 31 234
Male 195 0.03 ± 0.3 0.02 -1.5 2.0 24 219

Race vs Z-score for length-for-age change between baseline and follow-up

Baseline
N Mean StdDev Median Min Max Unknown Total
Total 398 0.03 ± 0.2 0.02 -1.5 2.0 55 453
White 143 0.06 ± 0.3 0.05 -0.4 2.0 13 156
Black 212 0.03 ± 0.2 0.01 -1.1 0.8 37 249
Other 43 -0.03 ± 0.3 0.002 -1.5 0.7 5 48

Race vs Z-score for length-for-age change between baseline and follow-up

Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 398 0.03 ± 0.2 0.02 -1.5 2.0 55 453
White 143 0.06 ± 0.3 0.05 -0.4 2.0 13 156
Black 212 0.03 ± 0.2 0.01 -1.1 0.8 37 249
Other 43 -0.03 ± 0.3 0.002 -1.5 0.7 5 48