Fig. 2

Overtreatment outlier values over time by 2009 deciles using 6.5% threshold and all VA facilities as comparator. Facilities were classified into deciles by their 2009 performance using outlier values into and then tracked using the same threshold and comparator across time to illustrate the correlations and consistency of performance over time. The solid line indicates the limit of the top decile year by year. The dotted line indicates the limit of the top two deciles. Facilities in the top decile in 2009 are labeled with letters. Over time, the performance of these facilities spread across the entire distribution