CRP and infection: We found significant difference between proven infection and probable infection subgroups as regards the CRP levels (20.1 ± 3.9 versus 6.5 ± 2.1 mg/L, resp., with p < 0.001) and PSP levels (34.6 ± 11.6 versus 17.9 ± 2.1 ng/mL, resp., with p = 0.019).