Measure

Baseline Mean ± SD

Followup Mean ± SD

Difference (Δ) Mean (95% CI)

p value*


BMI%_{95}

133.6 ± 22.7

130.6 ± 24.2

−3.0 (− 5.0, − 1.1)

p < 0.003

BMI zscore

2.5 ± 0.6

2.4 ± 0.5

− 0.15 (− 0.2, − 0.1)

p < 0.0001

 * pvalues refer to pairedsample ttests