Health System Benchmarks

Thomson Reuters just released a white paper, “100 Top Hospitals®: Health System Quality/Efficiency Benchmarks Study,” that provides excellent national benchmarks on five clinical and efficiency measures that appear on many health system scorecards:

  • Risk-adjusted mortality index
  • Risk-adjusted complications index
  • Risk-adjusted patient safety index
  • Core measures mean percent
  • Severity-adjusted average length of stay

Thomson Reuters evaluated the performance of U.S. health systems with at least two short-term general acute-care hospitals plus a few Critical Access Hospitals that passed its exclusion rules. You can access the study online for a complete explanation of the process and results.

Here are the relevant benchmarks:

Winning Health Systems

Peer Group

% Difference

Best System

Mortality Index*

0.82

1.00

17.6%

0.63

Complication Index*

0.83

1.00

16.8%

0.68

Patient Safety Index*

0.97

1.00

3.0%

0.75

Core Measures Average Score

93.5%

88.7%

N/A

95.8%

Average Length of Stay (days)

5.0

5.6

10.7

4.1

(*based on national norms; ratings <1 indicate fewer adverse events than expected)

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