CRP and systemic inflammatory response syndrome: The serum CRP concentrations in the non-SIRS group, in the untreated SIRS group, and redetermined 6 h and 24 h after treatment were 6.2 (1.8–9.7), 15.9 (4.9–36.5), 28.4 (7.1–64.2), and 55.2 (13.2–82.5) mg/L, respectively.