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Table 1 Effect of different relative and absolute value classification methods on classification of medical groups as high performing

From: How are medical groups identified as high-performing? The effect of different approaches to classification of performance

Threshold for high performing Number of groups classified as high performing
Relative value method
 Top 10% in all domains 0
 Top 25% in all domains 0
 Top 35% in all domains 0
 Top 40% in all domains 1
 Top 50% in all domains 2
Absolute value method
 Achieving 90% on all measures 0
 Achieving 80% on all measures 0
 Achieving 70% on all measures 0
 Achieving 60% on all measures 3
 Achieving 50% on all measures 16