METHODS	Obese patients with diabetes ( n = 259 ) , treated in the community , were centrally allocated to one of three diets : ( 1 ) the 2003 recommended American Diabetes Association diet ( ADA ) : 50-55 % carbohydrate , 30 % fat and 20 % protein , n = 85 ; ( 2 ) a low glycaemic index ( LGI ) diet : 50-55 % LGI carbohydrate , 30 % fat , 15-20 % protein , n = 89 ; or ( 3 ) a modified Mediterranean diet ( MMD ) : 35 % LGI carbohydrate , 45 % fat that was high in monounsaturated fat , 15-20 % protein , n = 85 .\