Table 3. Changes in the primary outcomes.

Outcome Measure	Usual care group (n = 50)	Exercise group (n = 59)	Nutritional group (n = 54)
BMI z-score
Baseline	2.27±0.51	2.39±0.52	2.27±0.48
6-month follow-up	2.25±0.55	2.25±0.56	2.19±0.55
Difference (6-month–baseline)	-0.018±0.17	-0.14±0.21	-0.075±0.23
p-valueb	0.46	<0.001	0.020
%BMIp95tha
Baseline	115±1.13	118±1.13	115±1.12
6-month follow-up	114±1.13	114±1.13	113±1.14
Difference (6-month–baseline)	-1.00±1.04	-1.03±1.05	-1.02±1.05
p-valueb	0.49	<0.001	0.021

Abbreviations: BMI, body mass index; %BMI_p95th, percentage of the 95th percentile of age- and sex-specific body mass index.

Data are expressed as mean±standard deviation unless otherwise indicated.

^aGeometric mean±standard deviation.

^bPaired t-test between baseline data and 6-month follow-up data.