No significant effect of the CRP levels on schizophrenia risk was observed in the Japanese population, with an ORscz/crp of 0.99 (95% CI, 0.69–1.42; p = 0.94) using rs2794526 and 0.79 (95% CI, 0.53–1.18; p = 0.25) using rs1183910. Here, CRP is linked to schizophrenia.