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Original Contribution
October 10, 2012

Association of Public Reporting for Percutaneous Coronary Intervention With Utilization and Outcomes Among Medicare Beneficiaries With Acute Myocardial Infarction

Author Affiliations

Author Affiliations: Departments of Health Policy and Management (Drs Joynt and Jha) and Biostatistics (Dr Orav), Harvard School of Public Health; Cardiovascular Division, Department of Medicine (Drs Joynt and Resnic) and Division of General Internal Medicine (Drs Orav and Jha), Brigham and Women's Hospital; Department of Medicine, Massachusetts General Hospital (Dr Blumenthal); and VA Boston Healthcare System (Drs Joynt and Jha), Boston, Massachusetts. Dr Resnic is now with the Department of Cardiovascular Medicine, Lahey Clinic, Burlington, Massahusetts.

JAMA. 2012;308(14):1460-1468. doi:10.1001/jama.2012.12922
Abstract

Context Public reporting of patient outcomes is an important tool to improve quality of care, but some observers worry that such efforts will lead clinicians to avoid high-risk patients.

Objective To determine whether public reporting for percutaneous coronary intervention (PCI) is associated with lower rates of PCI for patients with acute myocardial infarction (MI) or with higher mortality rates in this population.

Design, Setting, and Patients Retrospective observational study conducted using data from fee-for-service Medicare patients (49 660 from reporting states and 48 142 from nonreporting states) admitted with acute MI to US acute care hospitals between 2002 and 2010. Logistic regression was used to compare PCI and mortality rates between reporting states (New York, Massachusetts, and Pennsylvania) and regional nonreporting states (Maine, Vermont, New Hampshire, Connecticut, Rhode Island, Maryland, and Delaware). Changes in PCI rates over time in Massachusetts compared with nonreporting states were also examined.

Main Outcome Measures Risk-adjusted PCI and mortality rates.

Results In 2010, patients with acute MI were less likely to receive PCI in public reporting states than in nonreporting states (unadjusted rates, 37.7% vs 42.7%, respectively; risk-adjusted odds ratio [OR], 0.82 [95% CI, 0.71-0.93]; P = .003). Differences were greatest among the 6708 patients with ST-segment elevation MI (61.8% vs 68.0%; OR, 0.73 [95% CI, 0.59-0.89]; P = .002) and the 2194 patients with cardiogenic shock or cardiac arrest (41.5% vs 46.7%; OR, 0.79 [95% CI, 0.64-0.98]; P = .03). There were no differences in overall mortality among patients with acute MI in reporting vs nonreporting states. In Massachusetts, odds of PCI for acute MI were comparable with odds in nonreporting states prior to public reporting (40.6% vs 41.8%; OR, 1.00 [95% CI, 0.71-1.41]). However, after implementation of public reporting, odds of undergoing PCI in Massachusetts decreased compared with nonreporting states (41.1% vs 45.6%; OR, 0.81 [95% CI, 0.47-1.38]; P = .03 for difference in differences). Differences were most pronounced for the 6081 patients with cardiogenic shock or cardiac arrest (prereporting: 44.2% vs 36.6%; OR, 1.40 [95% CI, 0.85-2.32]; postreporting: 43.9% vs 44.8%; OR, 0.92 [95% CI, 0.38-2.22]; P = .03 for difference in differences).

Conclusions Among Medicare beneficiaries with acute MI, the use of PCI was lower for patients treated in 3 states with public reporting of PCI outcomes compared with patients treated in 7 regional control states without public reporting. However, there was no difference in overall acute MI mortality between states with and without public reporting.

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