CRP and Sepsis: In the sepsis group, MDW value was 24.1 (median, IQR 21.6–28.1); AUC values for MDW, CRP, and PCT were 0.67 (95% CI, 0.64–0.69), 0.66 (95% CI, 0.63–0.68), and 0.75 (95% CI, 0.72–0.77), respectively.