Table 4 Mortality according to initial severity, and level of CRP in mg/dl
CRP <25CRP ⩾25
CRB65
0–13/200 (1.5%)2/53 (3.77%)
210/90 (11.1%)3/24 (12.5%)
⩾38/30 (26.6%)9/22 (40.9%)
CURB65
0–11/148 (0.7%)1/41 (2.4%)
24/92 (4.3%)2/26 (7.7%)
⩾316/80 (20%)11/32 (34.4%)
PSI
I–II0/860/25
III2/76 (2.6%)0/13
IV8/114 (7%)6/39 (15.4%)
V11/44 (25%)8/22 (36.4%)
  • Deaths/total numbers in each group (%).

  • CRB65, Confusion, Respiratory rate, Blood pressure, ≥65 years of age; CRP, C-reactive protein; CURB65, Confusion, Urea nitrogen, Respiratory rate, Blood pressure, ≥65 years of age; PSI, Pneumonia Severity Index