Table 1 Infection related characteristics of patients and volunteers

Mean age, years

33 ± 14

49 ± 17

Females / males, N (%)

20 (74) / 7 (26)

2 (11) / 16 (89)

Leukocyte blood concentration (10³ μl^− 1)

6 ± 1

18 ± 15

Neutrophil blood concentration (10³ μl^-1)

3 ± 0.5

17 ± 7

Immature neutrophils (% of all neutrophils)

n/a

10 ± 12

C-reactive protein serum concentration (mg l^− 1)

≤0.5 ± 0

22 ± 13

Procalcitonin serum concentration (ng ml^− 1)

n/a

56 ± 96

SAPS II

n/a

34 ± 10

SOFA

n/a

14 ± 2

30-day survival (%)

100

56

Gram-positive sepsis N (%)

n/a

6 (33)

Gram-negative sepsis N (%)

n/a

5 (28)

Mixed bacterial sepsis N (%)

n/a

3 (17)

Viral sepsis N (%)

n/a

0

Mycotic sepsis N (%)

n/a

2 (11)

Sepsis without microbial detection N (%)

n/a

2 (11)

Source of infection

1) Pneumonia, N

n/a

8

2) Acute respiratory distress syndrome (ARDS) subsequent to prior Pneumonia, but only microbial detection in blood, N

n/a

4

3) Urinary tract infection, N

n/a

1

4) Abdominal infection

n/a

2

5) Thoracic infection

n/a

1

6) No focus detected

n/a

2