Procedure share: Share of procedures done at high volume hospitalsShare of hospitals at high volume
Threshold 1Threshold 2Threshold 1Threshold 2
199594.41%72.54%65.82%37.29%
199695.70%77.01%68.82%42.13%
199795.38%79.06%69.21%44.63%

From: APPENDIX 7, Empirical Evaluation Results Tables

Cover of Refinement of the HCUP Quality Indicators
Refinement of the HCUP Quality Indicators.
Technical Reviews, No. 4.
Davies SM, Geppert J, McClellan M, et al.
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