Table 3

Diagnostic abilities of CD64, PCT and CRP in discerning septic arthritis from non-infectious arthritis
Sensitivity Specificity AUC AUC*
CD64 (cutoff 2.2) 59% 98% 0.69 (0.51–0.88) 0.92 (0.78–1.00)
PCT (cutoff 0.50) 52% 98% 0.85 (0.74–0.96) 0.90 (0.79–1.00)
CRP (cutoff 120) 91% 76% 0.92 (0.87–0.98) 0.91 (0.84–0.98)
CRP (cutoff 240) 48% 98%

PCT in mg/L; CRP in mg/L; AUC area under the curve (95% confidence-interval), AUC*, area under the curve when excluding septic arthritis cases caused by coagulase negative staphylococci.

Oppegaard et al.

Oppegaard et al. BMC Infectious Diseases 2013 13:278   doi:10.1186/1471-2334-13-278

Open Data