Serum concentrations of the inflammatory markers. Serum concentrations of CD64 (A), procalcitonin (B), CRP (C) and white blood count (D) among healthy blood donors (BLOOD), patients with flare of rheumatic arthritis (FRA), crystal-induced arthritis (CIA), septic arthritis (SA) and urinary tract infection (UTI). Horizontal lines indicate cut-off values for CD64 (A) and PCT (B), derived from ROC curve analysis. PCT values above 5 mg/L are plotted as 5 mg/L.
Oppegaard et al. BMC Infectious Diseases 2013 13:278 doi:10.1186/1471-2334-13-278