- . 1 (DCCT) , , [660,661]. 2 , / - , . UKPDS , [662], , [663]. ADVANCE [664], ACCORD [665] (VADT) [666], HbA1c (<6.5 6.0%). , - . -, , , , , , , , , - [667669]. , ACCORD, HbA1c . , (ADA) (EASD) [670] . ( HbA1c <7.0%) , , . (HbA1c 7.58.0% ) , , [670,671]. ESC/EASD [672].