Regional variations in medical expenditure and hospitalization days for heart attack patients in Japan: evidence from the Tokai Acute Myocardial Study (TAMIS)

In Japan, the use of percutaneous transluminal coronary angioplasty (PTCA) for the treatment of acute myocardial infarction (AMI) is extraordinarily frequent, resulting in large medical expenditure. Using chart-based data and exploiting regional variations, we explore what factors explain the frequent use of PTCA, employing propensity score matching to… (More)