Results of the scenario analysis.

1 The number of patient days in isolation.2 The peak percentage of total patients in isolation in 97.5% of all simulations.3 The number of years required to reach a 50% reduction in the nosocomial prevalence.The cumulative and discounted costs in US$ (2007) and discounted effects for one hospital over 15 years, for a high (15%) prevalence setting.NA not applicable; aCER average cost-effectiveness ratio in $ per infection averted, compared to no screening; UI uncertainty interval;