Indicator 1: AAA repair volume
Type: Volume
Definition: Provider level. Number of AAA Procedures Threshold 1: 10/yr, Threshold 2: 32/yr
Procedure volume:   Number of procedures performed per year
# Hosp with >=1 procedures/yrMeanStandard deviation50th percentile90th percentile95th percentile
1995716141683547
1996727141683646
1997717141683452

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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