Risk Stratification in Patients with Type 2 Diabetes (T2D) and Cardiovascular Disease (CVD). The population health goal of risk stratification is to compile a prioritized list of patients ordered by the level of risk and the reason for the risk. Risk stratification is an important element of population health management, particularly in patients with type 2 diabetes and CVD. Risk Stratification Categories and Levels Using Type 2 Diabetes Case Example. Joslin Diabetes Center’s Registry and Risk Stratification System outline.