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. Author manuscript; available in PMC: 2018 Nov 1.
Published in final edited form as: Cancer. 2017 Jun 30;123(21):4259–4267. doi: 10.1002/cncr.30866

Figure 3. Comparison of goodness-of-fit lines for CMS' Hospital Compare Star rating and cancer surgery volume relative to actual measured outcomes.

Figure 3

m = slope of best-fit line

The bar graph presents the mean outcome by measurement quintile.The line is the best-fit line through the means. The slope of the line that is closest to the slope for the outcome measurement (green line) represents the better measure for predicting the outcome. A horizontal line signifies no association.