Figure 2

Estimated monthly hospital mortality rates for a fixed number of average patients (line) and percentages of educated staff (as bars). The plot shows the estimated monthly hospital mortality rate for a fixed number of patients with mean values of age, Charlson index, hospital length of stay and mean percentage of urgent hospital admission. The analysis was performed on a period of 69 months (from December 2003 to August 2009). The education started in the last quarter of 2007.