bmipct bmiz_gain
Name
bmiz_change
Label
Change in BMI Z score between baseline and follow-up
Units
standard deviations from the mean
Type
numeric
Tags
bmiz_gain body mass index quetelet index standard score weight
Visit Number vs Change in BMI Z score between baseline and follow-up
N Mean StdDev Median Min Max Unknown Total
Baseline 398 0.1 ± 0.4 0.07 -2.5 2.3 55 453
Follow-up 398 0.1 ± 0.4 0.07 -2.5 2.3 55 453
Treatment Arm vs Change in BMI Z score between baseline and follow-up
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 398 0.1 ± 0.4 0.07 -2.5 2.3 55 453
Early adenotonsillectomy 196 0.2 ± 0.4 0.1 -1.0 2.3 30 226
Watchful waiting 202 0.07 ± 0.4 0.06 -2.5 1.7 25 227
Treatment Arm vs Change in BMI Z score between baseline and follow-up
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 398 0.1 ± 0.4 0.07 -2.5 2.3 55 453
Early adenotonsillectomy 196 0.2 ± 0.4 0.1 -1.0 2.3 30 226
Watchful waiting 202 0.07 ± 0.4 0.06 -2.5 1.7 25 227
Age vs Change in BMI Z score between baseline and follow-up
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 398 0.1 ± 0.4 0.07 -2.5 2.3 55 453
5-7 yrs old 293 0.2 ± 0.5 0.1 -2.5 2.3 36 329
8-10 yrs old 105 0.03 ± 0.2 0.008 -0.6 0.8 19 124
Age vs Change in BMI Z score between baseline and follow-up
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 398 0.1 ± 0.4 0.07 -2.5 2.3 1 399
5-7 yrs old 261 0.2 ± 0.5 0.1 -2.5 2.3 1 262
8-10 yrs old 137 0.05 ± 0.2 0.02 -0.6 0.9 - 137
Gender vs Change in BMI Z score between baseline and follow-up
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 398 0.1 ± 0.4 0.07 -2.5 2.3 55 453
Female 203 0.1 ± 0.4 0.07 -1.3 1.9 31 234
Male 195 0.1 ± 0.4 0.09 -2.5 2.3 24 219
Gender vs Change in BMI Z score between baseline and follow-up
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 398 0.1 ± 0.4 0.07 -2.5 2.3 55 453
Female 203 0.1 ± 0.4 0.07 -1.3 1.9 31 234
Male 195 0.1 ± 0.4 0.09 -2.5 2.3 24 219
Race vs Change in BMI Z score between baseline and follow-up
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 398 0.1 ± 0.4 0.07 -2.5 2.3 55 453
White 143 0.1 ± 0.4 0.1 -2.5 2.3 13 156
Black 212 0.1 ± 0.4 0.04 -1.0 1.9 37 249
Other 43 0.1 ± 0.5 0.08 -1.3 1.7 5 48
Race vs Change in BMI Z score between baseline and follow-up
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 398 0.1 ± 0.4 0.07 -2.5 2.3 55 453
White 143 0.1 ± 0.4 0.1 -2.5 2.3 13 156
Black 212 0.1 ± 0.4 0.04 -1.0 1.9 37 249
Other 43 0.1 ± 0.5 0.08 -1.3 1.7 5 48