Compared to those with low baseline CRP (<1 mg/L), the OR for psychosis at follow-up was 0.93 (95% CI, 0.68–1.27) for medium (1–3 mg/L) and 1.49 (95% CI, 0.95–2.32) for high (>3 mg/L) CRP. This evidence concerns the gene CRP and psychotic disorder.