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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