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Table 4 Mortality in 19,468 patients with hospital-associated infections at Haukeland University Hospital, 2004-2011

From: Mortality related to hospital-associated infections in a tertiary hospital; repeated cross-sectional studies between 2004-2011

  

30-days mortality

1-year mortality

 

Infections

Mortality

Crude hazard ratio

Adjusted hazard ratio

Mortality

Crude hazard ratio

Adjusted hazard ratio

Type of infection

n

n (%)

(95 % CI)a

(95 % CI)b

n (%)

(95 % CI)a

(95 % CI)b

All infections

1662

180 (10.8)

2.7 (2.3, 3.2)

1.5 (1.3, 1.8)

472 (28.4)

2.1 (1.9, 2.3)

1.4 (1.2, 1.5)

Urinary tract

407

36 (8.9)

2.2 (1.6, 3.1)

0.9 (0.6, 1.3)

100 (24.6)

1.7 (1.4, 2.1)

0.9 (0.7, 1.1)

Lower respiratory

428

68 (15.9)

4.1 (3.2, 5.3)

1.9 (1.5, 2.5)

161 (37.6)

3.0 (2.5, 3.5)

1.7 (1.4, 2.0)

Blood stream

89

11 (12.4)

3.1 (1.7, 5.7)

2.7 (1.5, 4.9)

36 (40.5)

3.1 (2.3, 4.4)

3.0 (2.1, 4.1)

Other

301

36 (12.0)

3.1 (2.2, 4.3)

1.7 (1.2, 2.4)

91 (30.2)

2.2 (1.8, 2.8)

1.5 (1.2, 1.9)

>1 infection

126

16 (12.7)

3.3 (2.0, 5.4)

2.6 (1.5, 4.3)

35 (27.8)

2.0 (1.5, 2.8)

1.8 (1.3, 2.6)

Surgical sitec

311

13 (4.2)

2.4 (1.3, 4.2)

1.3 (0.7, 2.3)

49 (15.8)

2.1 (1.6, 2.8)

1.2 (0.9, 1.6)

  1. aEstimated by Cox regression model
  2. bAdjusted by year and calendar period of prevalence survey, patient’s sex and age, type of admission, surgery operation, use of urinary tract catheter, time from hospital admission to study inclusion (pre-prevalence period), and Charlson comorbidity index
  3. cAmong 6925 operated patients