Table 2 General patient information

Age, mean (SD)

61

(17)

59

(18)

63

(16)

0.009 ^#

64

(16)

60

(17)

<0.001 ^#

Gender, n (%)

   Female

280

(36)

129

(38)

151

(35)

0.345*

80

(31)

200

(38)

0.047*

   Male

498

(64)

212

(62)

286

(65)

177

(69)

321

(62)

SAPS II, mean (SD)

51

(19)

44

(15)

57

(19)

<0.001 ^#

62

(21)

46

(16)

<0.001 ^#

Diagnosis on admission, n (%)

   Medical

634

(81)

289

(85)

345

(79)

-

214

(83)

420

(81)

-

   Trauma

6

(1)

3

(1)

3

(1)

0

(0)

6

(1)

   Surgical

138

(18)

49

(14)

89

(20)

43

(17)

95

(18)

Focus of infection, n (%)

   Respiratory

458

(59)

227

(66)

231

(53)

<0.001*

144

(56)

314

(60)

0.183*

   Urinary

60

(8)

20

(6)

40

(9)

15

(6)

45

(9)

   Intra-abdominal

147

(19)

40

(12)

107

(24)

56

(22)

91

(17)

   Other

113

(14)

54

(16)

59

(14)

42

(16)

71

(14)

Number of comorbidities, n (%)

   0

369

(48)

150

(45)

219

(51)

0.212*

105

(41)

264

(51)

0.018*

   1

207

(27)

93

(28)

114

(26)

73

(29)

134

(26)

   >1

193

(25)

93

(28)

100

(23)

77

(30)

116

(23)

ICU length of stay, med (IQR)

9

(5-16)

8

(5-15)

10

(5-17)

0.483^£

6

(3-14)

10

(7-17)

<0.001 ^£

28-day mortality, n (%)

257

(33)

66

(19)

191

(44)

<0.001*