FIG 1.

Adjusted Odds Ratio of Being Classified in a Higher Tertile in the Diagnostic Overuse Index. Calculated as a function of being in a given tertile of a Dartmouth Atlas HSA metric or Medicare county cost metric.

^aAdjusted odds ratios were calculated using mixed ordinal logistic regression, controlling for number of hospital beds, teaching status, critical access hospital status, and state fixed effects.

^b[Angiography] Rate of inpatient coronary angiograms per 1,000 Medicare enrollees

^c[Physician Reimbursement] Price-adjusted physician reimbursement per fee-for-service Medicare enrollee per year

^d[Last 6 Months of spending] Mean inpatient spending per decedent in the last six months of life