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Table 2 BMI z-score and % Body Fat from month 0 to month 36

From: BMI z-score in obese children is a poor predictor of adiposity changes over time

Month N BMI z-score % Body Fat
Mean 95% CI Mean 95% CI
0 (Baseline) 515 2.20 2.17–2.23 38.5% 38.1–39.0%
6 452 2.16 2.12–2.19 37.8% 37.1–38.5%
12 212 2.12 2.09–2.16 37.1% 36.4–37.9%
18 132 2.11 2.06–2.15 36.4% 35.6–37.2%
24 98 2.08 2.04–2.13 35.8% 34.9–36.8%
30 65 2.07 2.02–2.13 34.9% 33.8–36.0%
36 46 2.08 2.02–2.14 34.5% 33.1–35.8%