Figure 4From: Increasing prevalence of ESBL production among Irish clinical Enterobacteriaceae from 2004 to 2008: an observational study Survival plot for patients from whom ESBLs were isolated by age over or under 60 years of age. Legend to Figure 4. Cumulative survival of patients from whom ESBLs were isolated by age over and under 60 years. The upper (blue) line represents survival of those under 60, the lower (green) line represents survival of those over 60.Back to article page