The findings come from a trial involving 60 obese patients with a BMI between 30 and 40.
The patients were randomly assigned to undergo gastric surgery or receive conventional diabetes therapy, which focused on lifestyle changes such as reduced intake of saturated fats and aerobic exercise.
After two years, 43 per cent of the patients were found to be in remission from diabetes. Of these patients, 73 per cent were from gastric surgery group, and only 13 per cent from the conventional treatment group.
The surgical group also displayed four times greater reduction in HbA1C levels, compared with the conventional group.
As the surgical group lost, on average, 20 per cent of their body weight and the conventional group just 1.7 per cent, the researchers concluded that ‘the degree of weight loss is the major driver of glycaemic improvements and diabetes remission in obese patients'.
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