Background In the United States, black patients generally receivelower-quality health care than white patients. Black patientsmay receive their care from a subgroup of physicians whose qualificationsor resources are inferior to those of the physicians who treatwhite patients.
Methods We performed a cross-sectional analysis of 150,391 visitsby black Medicare beneficiaries and white Medicare beneficiaries65 years of age or older for medical "evaluation and management"who were seen by 4355 primary care physicians who participatedin a biannual telephone survey, the 20002001 CommunityTracking Study Physician Survey.
Results Most visits by black patients were with a small groupof physicians (80 percent of visits were accounted for by 22percent of physicians) who provided only a small percentageof care to white patients. In a comparison of visits by whitepatients and black patients, we found that the physicians whomthe black patients visited were less likely to be board certified(77.4 percent) than were the physicians visited by the whitepatients (86.1 percent, P=0.02) and also more likely to reportthat they were unable to provide high-quality care to all theirpatients (27.8 percent vs. 19.3 percent, P=0.005). The physicianstreating black patients also reported facing greater difficultiesin obtaining access for their patients to high-quality subspecialists,high-quality diagnostic imaging, and nonemergency admissionto the hospital.
Conclusions Black patients and white patients are to a largeextent treated by different physicians. The physicians treatingblack patients may be less well trained clinically and may haveless access to important clinical resources than physicianstreating white patients. Further research should be conductedto address the extent to which these differences may be responsiblefor disparities in health care.
Source Information
From the Health Outcomes Research Group, Department of Epidemiology and Biostatistics, Memorial Sloan-Kettering Cancer Center, New York (P.B.B., D.S., R.C.T.); and the Center for Studying Health System Change, Washington, D.C. (H.H.P., J.L.H.).
Address reprint requests to Dr. Bach at the Health Outcomes Research Group, Memorial Sloan-Kettering Cancer Center, 1275 York Ave., Box 221, New York, NY 10021.
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