Fig. 4From: C-reactive protein concentration as a risk predictor of mortality in intensive care unit: a multicenter, prospective, observational studyRelationship between risk of ICU mortality and PCT (A) and CRP (B) concentrations at ICU admission, allowing PCT and CRP as a nonlinear continuous predictor using a restricted cubic spline 3-knot function while adjusting for the APACHEIIscore, WBC, and CRP concentration. Shadow area show 95% CIBack to article page