Comparison of characteristics of first MRSA isolation from various clinical sites >2 days after admission to Oxford Hospitals, 1998–2006

*univariable p values from chi-squared or Kruskal-Wallis/ranksum tests for categorical and continuous variables respectively.**first MRSA isolation from specified samples this admission (predominant site according to order above when MRSA isolated from multiple types of specimens on the same day).†3 months April to June 2006: percentages are of complete financial years only.‡any sample tested at ORH from 1 January 1995 onwards, during or outside of an ORH admission, but strictly before the current admissionNote:excluding repeated positive isolations within a single admission.