Fig. 3From: Plasma levels of D-dimer and fibrin degradation product are unreliable for diagnosing periprosthetic joint infection in patients undergoing re-revision arthroplastyReceiver operating characteristic curves of biomarkers in combination. a Combination of C-reactive protein (CRP) and erythrocyte sedimentation rate (ESR). b Combination of CRP and interleukin-6 (IL-6). c Combination of ESR and IL-6. d Combination of CRP, ESR and IL-6Back to article page