Although all of the women had known coronary artery disease, half or fewer were taking drugs (β-blockers, angiotensin-converting enzyme inhibitors, cholesterol-lowering agents) that help prevent future heart attacks and death. Eleven risk factors were found among the 361 women who had a heart attack or died of coronary disease during follow-up. The risk factors included more than one previous heart attack, kidney dysfunction, diabetes, angina, heart failure, lack of exercise, uncontrolled high blood pressure, abnormal cholesterol levels, and nonwhite ethnicity. Women with five or more risk factors had a rate of coronary events of 8.7% per year, while women with no risk factors had a rate of 1.3% per year.