Table 4.
Mortality in 19,468 patients with hospital-associated infections at Haukeland University Hospital, 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) |
aEstimated by Cox regression model
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
cAmong 6925 operated patients