Table 1 Demographic data (Mean ± SEM) of 37 patients with HAP, including 17 patients with high-risk bacteria and 20 patients with low-risk bacteria.

number (n)

37

17

20

age (years)

59.8 (± 2.6)

59,3 (± 4,2)*

60,3 (± 3,5)*

*0.3

male (%)

68

70.6*

40*

*0.7

WBC (/nl)

12.3 (± 1.0)

13,0 (± 1,5)*

11,5 (± 1,5)*

*0.20

temperature (°C)

37.3 (± 0.18)

37,5 (± 0,2)*

37,0 (± 0,3)*

*0.45

CRP (ng/ml)

154.9 (± 29.5)

152,6 (± 28,9)*

157,9 (± 58,9)*

*0.51

ventilated n (%)*

15 (41%)

10 (59)*

5 (25) *

*0.05

oxygenation ratio

266.8 (± 21.5)

244,5 (± 33,9)*

284,6 (± 27,9)*

*0.4

CPIS

6 (± 0.35)

6,2 (± 0,4)*

5,0 (± 0,4)*

*0.24

PMN in BAL (%)

84,4 (± 3,2)

83,6 (± 4,1)*

87,3(± 1,6)*

*0,71

mortality (%)

8.1

5.9*

10*

*1.0