Data from 58 studies (n = 6842) using mg/L for CRP measurement showed significantly higher circulating CRP in PCOS women (n = 3884) versus controls (n = 2958) (SMD 1.32, 95% CI, 1.03, 1.61; z = 8.89; p = 0.00001; I2 = 96%). Here, CRP is linked to polycystic ovary syndrome.