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Table 2 Median age, sex, median Acute Physiology and Chronic Health Evaluation (APACHE) II score, mortality, median white blood cell count, C-reactive protein level and procalcitonin level for each group

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

  1. a Data presented as median (interquartile range).