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Table 1 Characteristics of the 132 patients included in the analysis

From: In critically ill patients the procalcitonin level can be misleading

Number of patients (n) 132
Age (years)a 65.3 ± 1.3
(22.7 to 96.0)
Male (%) 64.4
Survival (%) 74.2
PCT analysis at presentation performed (n) 110
Number of patients with PCT <0.5 ng/ml (n (%)) 34 (25.8)
Number of patients with PCT 0.5 to 2.0 ng/ml (n (%)) 21 (21.2)
Number of patients with PCT 2.0 to 10.0 ng/ml (n (%)) 27 (20.5)
Number of patients with PCT >10.0 ng/ml (n (%)) 28 (21.2)
Number of blood cultures conducted (% positive findings) 127 (30.3)
Number of sputum cultures conducted (% positive findings) 24 (33.3)
Number of urine cultures conducted (% positive findings) 79 (25.3)
Number of pus cultures conducted (% positive findings) 26 (65.4)
  1. PCT, procalcitonin. aData presented as mean ± standard error of the mean (range).