Fig. 3. Change of o besity r elated indices. (A), (C), and ( E) are r esults of observational studies, (B), (D) a nd (F) a re results o f randomized controlled trials. Sample size of Oh et al.23), Shin et al.28), and B aek et a l.30) are less than 10. D: dietary therapy, S: starvation, BMI: body mass index. *Comparison within group, P<0.05, †comparison b etween g roup, P<0.05.