CRP and peripheral arterial disease: Average CRP concentrations were higher in the PAD+ than PAD- patients (3.22 ± 0.16 vs. 2.06 ± 0.13 mg/L), and correspondingly, the difference between genotypes was greater for PAD+ than PAD- (3.25 ± 0.32 vs. 1.09 ± 0.28 mg/L).