(a)
(b)
Figure 3: Associations between glycine and waist circumference (a) and between alanine and glucose (b). A significant relationship between glycine and waist circumference is evident in (a) (, ; ) and a significant relationship between alanine and glucose in (b) (, ; ). ○, male subjects; ■, female subjects. Associations were analyzed by Pearson’s correlation analyses (crude). A value of less than 0.05 was taken as a statistically significant difference between the tested parameters.