But the syndrome is a strong marker for predicting diabetes in the elderly.
Researchers analysed data from two studies involving a total of 7,549 patients, aged 60-82, without diabetes. Overall, 28 per cent of the study patients had metabolic syndrome.
In the first study, involving 4,812 patients, 772 cases of CVD and 287 cases of type-2 diabetes were recorded in three years.
Patients with metabolic syndrome did not have an increased risk of CVD but were four times more likely to develop diabetes.
A second study of 2,737 patients identified 440 cases of CVD and 105 of type-2 diabetes over seven years. Metabolic syndrome failed to predict CVD risk but was associated with a seven-fold increased risk of diabetes.
The researchers, from the University of Glasgow, concluded that separate risk criteria should be established for CVD and diabetes.
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