In the European Heart Journal, Dr Ane Cecilie Dale, of the Norwegian University of Science and Technology in Trondheim, and colleagues report data from Hunt 1, a large study in which all adults of Trendelag County, Norway, were invited to participate.

How the study was done
The study involved 74 914 individuals, 2 100 of whom had diabetes. Over an 18-year period, 19967 subjects died.

When the analysis did not include patients who had diabetes or heart disease at the start of the study, men were 2.20-times more likely to die from heart disease during follow-up than were women.

By contrast, when the analysis included patients with diabetes, the risk in men fell to just 1.25-times that of women. The gender gap disappeared all together when the analysis included patients with diabetes and heart disease at the start of the study.

What the study revealed
"We found that the positive association between diabetes and (heart disease) mortality was consistently stronger in women than in men, resulting in a substantial reduction in the mortality gap between genders that is usually observed," the investigators write.

Diabetes could cause more rapid coronary plaque build-up and other related problems in women, the researchers hypothesise.

"Our results argue for more aggressive (heart disease) risk factor intervention in women with diabetes," Dale's team concludes. (ReutersHealth)

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