Results of Cost-effectiveness Analysis and Cost-benefit Analysis of the Hand Hygiene Program^a.

aAll future costs, number of episodes of HAI, and benefits were discounted to the present value at an annual rate of 3%. bPredicted by Poisson regression model described in Methods and Text S1. cAll monetary values are expressed in US dollars. The average exchange rate in 2007: 1 US dollar = 32.842 New Taiwan dollars, 1 Euro = 44.952 New Taiwan dollars. dNet benefit = Benefit – Cost. eBenefit cost ratio = benefit/cost.