Fig. 1.

Mean change in BMI from baseline^a

BMI, body mass index.

^a No. of patients in each sub-group: < 18.5 kg/m² (n = 115), 18.6–20.5 kg/m² (n = 165), 20.6–22.5 kg/m² 
(n = 181), > 22.5 kg/m² (n = 161).

^b P-value, Kruskal–Wallis test.