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Table 4 Risk factors for mortality in patients with community acquired bacteremia.

From: Diabetes does not affect outcome in patients with Enterobacteriaceae bacteremia

 

Exitus

n = 70

Surviving

n = 894

p-value

RR (95% CI)

Demographics

   Male

39 (55.7)

479 (53.7)

0.8

1.08 (0.69–1.7)

   Age, years (mean ± SD)

78.1 ± 12.8

70.1 ± 16.5

<0.001

 

Severe sepsis or shock

41 (58.6)

91 (10.2)

<0.001

8.91 (5.75–13.82)

Adequate empirical antibiotic

47 (68.1)

746 (83.6)

0.002

0.45 (0.28–0.73)

Blood glucose concentration, mg/dL (mean ± SD)

170.9 ± 80.4

158.6 ± 70.2

0.44

 

Comorbidities

   COPD**

5 (7.1)

86 (9.6)

0.67

0.74 (0.31–1.78)

   Ictus

6 (8.6)

49 (5.5)

0.28

1.55 (0.7–3.42)

   Cirrhosis

7 (10)

46 (5.1)

0.08

1.91 (0.84–1.04)

   Chronic renal failure

3 (4.3)

27 (3)

0.47

1.39 (0.47–4.18)

   Immunosuppression

8 (11.4)

37 (4.1)

0.01

2.64 (1.35–5.16)

   Cardiac failure

6 (8.6)

36 (4)

0.08

2.06 (0.95–4.48)

   Diabetes

10 (14.3)

146 (16.3)

0.4

0.86 (0.45–1.65)

Origin of infection

   Urinary

18 (26.5)

511 (57.1)

<0.001

0.3 (0.18–0.5)

   Biliary

13 (19.1)

163 (18.2)

0.87

1.06 (0.59–1.89)

   Unknown

16 (23.5)

120 (13.4)

0.03

1.87 (1.1–3.18)

   Intraabdominal

5 (7.4)

33 (3.7)

0.18

1.93 (0.83–4.52)

   Pneumonia

9 (13.2)

13 (1.5)

<0.001

6.53 (3.73–11.42)

Microorganism

   E. coli

48 (68.6)

716 (79.8)

0.03

0.58 (0.36–0.94)

   Klebsiella spp.

5 (7.1)

54 (6)

0.43

1.18 (0.5–2.83)

   Proteus spp.

4 (5.7)

44 (4.9)

0.46

1.16 (0.44–3.05)

   Citrobacter spp.

2 (2.9)

8 (0.9)

0.16

2.82 (0.8–9.93)

   Enterobacter spp.

3 (4.3)

21 (2.3)

0.25

1.76 (0.6–5.2)

   Serratia marcescens

2 (2.9)

4 (0.4)

0.06

4.71 (1.49–14.95)

   Morganella morgagnii

1 (1.4)

8 (0.9)

0.49

1.54 (0.24–9.93)

   Salmonella spp.

5 (7.1)

37 (4.1)

0.18

1.69 (0.72–3.99)

   Polymicrobial

11 (15.7)

68 (7.6)

0.02

2.09 (1.15–3.82)

  1. Data are n (%) otherwise indicated
  2. RR: Relative risk
  3. *COPD: chronic obstructive pulmonary disease