Development of a Prediction Rule for Methicillin-Resistant Staphylococcus aureus and Vancomycin-Resistant Enterococcus Carriage in a Veterans Affairs Medical Center Population

A history of hospital admission in the prior year was the most sensitive predictor of methicillin-resistant Staphylococcus aureus or vancomycin-resistant Enterococcus colonization at admission to a Veterans Affairs Medical Center (VAMC) but missed more than one-third of carriers and required screening more than one-half of admitted patients.