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Risk of death from methicillin-resistant Staphylococcus aureus bacteraemia: a meta-analysis

James C Hurley
Med J Aust 2002; 176 (4): 188-189.
Published online: 18 February 2002

To the Editor: I write to offer a re-analysis of the data presented by Whitby and colleagues.1 They reported a meta-analysis of crude estimates and relative risk of death derived from nine published studies for Staphylococcus aureus bacteraemia. They concluded that bacteraemia caused by methicillin-resistant S. aureus (MRSA) is associated with a "real increase in risk of death" compared with bacteraemia caused by methicillin-sensitive S. aureus (MSSA), with a relative risk of 2.12. However, they failed to explore fully the possible confounding effect of the patients' underlying diseases and treatment in their analysis.

  • James C Hurley

  • 20 Drummond St North, Ballarat, VIC.

Correspondence: drjameshurley@bigpond.com

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