Fig. 5

Quality Indicator 8, the percentage of patients undergoing a resection for a primary rectum carcinoma that had a complication. On the y-axis, the percentage of patients with a complication is plotted for the individual centers as a rate of the mean percentage, whereas on the x-axis the number of expected events is calculated by multiplying the mean percentage by the total population of the center. the blue line represents the mean rate of patients with a complication