The effect of managed care market share on appropriate use of coronary angiography among traditional Medicare beneficiaries.
Meara
Ellen
E
Department of Health Care Policy, Harvard Medical School, Boston, MA 02115-5899, USA. meara@hcp.med.harvard.edu
Landrum
Mary Beth
MB
Ayanian
John Z
JZ
McNeil
Barbara J
BJ
Guadagnoli
Edward
E
D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D017023:Coronary Angiography; D018588:Fee-for-Service Plans; D005260:Female; D006801:Humans; D007182:Income; D016015:Logistic Models; D008297:Male; D008329:Managed Care Programs; D006278:Medicare / Q000191:economics*; D009203:Myocardial Infarction / Q000175:diagnosis / Q000628:therapy