Fig. 2

The relationship between BMI and skin thickness. A The correlation between BMI and ST (n = 21). P < 0.05, * P < 0.05 (Spearman coefficient index). B Difference in ST based on BMI. The figure indicates median and ranges. (n = 21). * P < 0.05 vs. ≥ 25% (Mann–Whitney U test). BMI body mass index