Women with diabetes are 40% more likely to have a heart attack than their male counterparts, according to two studies Women with diabetes have around a 40% increased risk of suffering a heart attack compared with diabetic men, two studies have suggested. Those aged 45 to 84 have a significantly higher chance of heart attack, one study found, with the risk largest between the ages of 45 and 54. In one study in Tuscany, Italy, experts analysed differences between diabetic men and women for heart attack, stroke and congestive heart failure.