Fig. 1From: Combined serum biomarkers in the noninvasive diagnosis of complicated parapneumonic effusions and empyemaThe diagnostic power of serum CRP, calprotectin, and NGAL for identifying CPPE and empyema. Diagnostic power of serum CRP combined with calprotectin (a) and serum CRP combined with NGAL (b) in CPPE and empyemaBack to article page