Table 2

Risks of in-hospital death due to a hospital-acquired bloodstream infection

Bloodstream infectionNumber of infectionsDeaths in infections, n (%)ControlsDeaths in controls, n (%)HR (95% CI)
BSI and Gram positive2141338 (15.8)8512526 (6.2)3.0 (2.6 to 3.5)
BSI with SAB
 All744124 (16.7)2950175 (5.9)3.5 (2.7 to 4.6)
 MRSA18938 (20.1)74045 (6.1)4.6 (2.7 to 7.6)
 MSSA55586 (15.5)2218121 (5.5)3.4 (2.5 to 4.7)
BSI with CNS918139 (15.1)3640219 (6.0)2.9 (2.3 to 3.7)
BSI and Gram negative
 All2044285 (13.9)8089609 (7.5)2.1 (1.8 to 2.4)
Escherichia coli46557 (12.3)1838130 (7.1)2.0 (1.4 to 2.8)
 Pseudomonas44974 (16.5)1771163 (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.