CRP and Hypertension: In a later cross-sectional survey of 8347 apparently healthy Koreans, Sung and colleagues found a significant positive association between the blood pressure and CRP level (P < 0.0001) and after adjustment for confounding variables, the prevalence of hypertension by CRP was significantly higher in subjects in the second, third, and fourth quartiles of CRP compared to subjects in the first quartile [22].