Surveillance of hospital-acquired bacteraemia in English Hospitals 1997-2002
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Staff from participating hospitals received training by the research team in order to ensure methods aerw consistent across all sites. Standard forms and definitions were used, risk factors and causative organisms identified where possible and the data processed and analysed centrally by the research team
There can be problems in multi centre research with consistency of methods and results etc but the research team tried to minimise this risk
Emmerson AM, Enstone JE, Griffin M et al (1996) The second national prevalence survey of infections in hospitals - overview of results. Journal of Hospital Infection 32: 175 - 190. Glynn A, Ward V, Wilson J, Charlett A, Cookson B, Taylor L, Cole N (1997) Hospital Acquired Infection: Surveillance, Policies and Practice - a study of the control of hospital acquired infection in hospitals in England and Wales. London: PHLS