Fig. 4

Linear and nonlinear dose–response analyses of circulating Hcy levels, FIB level and LPa level and risk of AAA. The nonlinear dose–response analysis of homocysteine, per 1 μmol/L (A), fibrinogen level, per 10 mg/dL (B), and lipoprotein-a level, per 1 mg/dL C and risk of PAD. The linear dose–response analysis of homocysteine, per 1 μmol/L (D), fibrinogen level, per 10 mg/dL (E), and lipoprotein-a level, per 1 mg/dL F and risk of PAD