> Figure 1. Variation profiles of six common procedures.

From "Primer on Geographic Variation in Health Care" Effective Clinical Practice, September/October 2001. 4:232-233.

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Figure 1. Variation profiles of six common procedures. Data for peripheral angioplasty from Axelrod and colleagues.(3) Other figures derived from 1995-6 national Medicare data from the Dartmouth Atlas of Health Care.(5) CABG = coronary artery bypass grafting; HRR = hospital referral region.

Figure 1. Variation profiles of six common procedures. Data for peripheral angioplasty from Axelrod and colleagues.(3) Other figures derived from 1995-6 national Medicare data from the Dartmouth Atlas of Health Care.(5) CABG = coronary artery bypass grafting; HRR = hospital referral region.

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