From: Procalcitonin as a marker of bacterial infection in the emergency department: an observational study
Infected (n = 58) | Noninfected (n = 49) | P value | |
---|---|---|---|
Age (years) | 66.5 (42.8–75.3)a | 65.0 (46.5–70.5)a | 0.812 |
Sex (male/female) | 30/28 | 34/15 | 0.063 |
APACHE II score | 13.0 (7.4–18.6)a | 10.0 (6.8–18.0)a | 0.045 |
Mortality | 5 (8.6%) | 1 (2.0%) | 0.216 |
White blood cell count (/mm3) | 10,650 (7375–12,700)a | 8,100 (6,250–10,150) | 0.024 |
C-reactive protein level (mg/l) | 102.75 (32.35–169.63)a | 5.30 (2.00–17.65)a | < 0.001 |
Procalcitonin level (ng/ml) | 0.93 (0.48–2.45) | 0.47 (0.29–0.92) | < 0.001 |