Table 2 Physiological parameters at the onset of severe sepsis ^a

Leucocyte count, ×10³/μl

14 (8.25 to 20.3)

14.3 (9.1 to 20.2)

13.5 (6.0 to 20.7)

0.059

C-reactive protein, mg/L

101 (19 to 210)

78 (13 to 193)

146 (46 to 235)

<0.001

Procalcitonin, ng/ ml

2.7 (0.8 to 9.4)

2.3 (0.7 to 7.2)

3.7 (0.9 to 12.9)

<0.001

Blood lactate, mg/dl

2.7 (1.6 to 5.4)

2.5 (1.6 to 5.3)

2.9 (1.7 to 5.6)

0.031

Mean arterial pressure, mmHg

60 (54 to 66)

61 (55 to 67)

59 (51 to 64)

0.006

Heart rate, beats/min

110 (95 to 127)

108 (94 to 124)

113 (96 to 134)

0.003

Serum creatinine, μmol/L

102 (75 to 152)

101 (75 to 146)

108 (74 to 166)

0.257

Platelet count, ×10³/μl

178 (112 to 261)

176 (111 to 260)

179 (113 to 274)

0.854

Haemoglobin, mmol/L

5.5 (4.7 to 6.3)

5.5 (4.7 to 6.3)

5.5 (4.8 to 6.2)

0.757

Serum bilirubin, mg/dl

16 (10 to 27)

16 (11 to 27)

15 (10 to 28)

0.283