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. Author manuscript; available in PMC: 2014 Oct 2.
Published in final edited form as: Med Care. 2013 Sep;51(9):832–837. doi: 10.1097/MLR.0b013e31829fa92a

Table 3. Proportion of Future Hospital-Level Variance Explained by Existing Quality Measures vs. the Composite Measure.

Condition Proportion of Variance Explained, %
Hospital Volume Hospital Compare Process Measures Risk-Adjusted Mortality Hospital Compare Outcome Measures Composite Measure
HF 8 0 37 32 44
AMI 35 6 47 39 68
PNA 4 1 32 24 38

Abbreviations: HF is heart failure; AMI is acute myocardial infarction; and PNA is pneumonia.