Table 2.
Risks of in-hospital death due to a hospital-acquired bloodstream infection
| Bloodstream infection | Number of infections | Deaths in infections, n (%) | Controls | Deaths in controls, n (%) | HR (95% CI) |
|---|---|---|---|---|---|
| BSI and Gram positive | 2141 | 338 (15.8) | 8512 | 526 (6.2) | 3.0 (2.6 to 3.5) |
| BSI with SAB | |||||
| All | 744 | 124 (16.7) | 2950 | 175 (5.9) | 3.5 (2.7 to 4.6) |
| MRSA | 189 | 38 (20.1) | 740 | 45 (6.1) | 4.6 (2.7 to 7.6) |
| MSSA | 555 | 86 (15.5) | 2218 | 121 (5.5) | 3.4 (2.5 to 4.7) |
| BSI with CNS | 918 | 139 (15.1) | 3640 | 219 (6.0) | 2.9 (2.3 to 3.7) |
| BSI and Gram negative | |||||
| All | 2044 | 285 (13.9) | 8089 | 609 (7.5) | 2.1 (1.8 to 2.4) |
| Escherichia coli | 465 | 57 (12.3) | 1838 | 130 (7.1) | 2.0 (1.4 to 2.8) |
| Pseudomonas | 449 | 74 (16.5) | 1771 | 163 (9.2) | 2.2 (1.6 to 3.0) |
Based on nine hospitals with admissions between 1 January 2005 and 31 December 2010.
BSI, bloodstream infection; CNS, coagulase-negative staphylococci; MRSA, methicillin-resistant Staphylococcus aureus; SAB, S aureus bacteraemia.