Figure 1.

Predicted folic acid treatment effect for sampled patient. Cumulative survival free of stroke and nonstroke death for 47-year–old male with diabetes mellitus (with fasting blood glucose level of 7.86 mmol/L), total cholesterol level of 8.14 mmol/L, folate level of 2.74 ng/mL, and systolic blood pressure of 185 mm Hg. The effect of enalapril-folic acid is represented by the size of the light blue area between the curves, equal to 7.92 mo.