Figure 1

Carotid intima-media thickness according to serum neuregulin 4 levels by sex.
(A) Carotid intima-media thickness according to serum neuregulin 4 levels among male subjects (B) Carotid intima-media thickness according to serum neuregulin 4 levels among female subjects; *P < 0.05 compared with Q1; **P < 0.01 compared with Q1; CIMT = carotid intima-media thickness.