Fig 3. A. NO levels produced from HUVEC cells after 4hrs treatment of D-Glucose (10,50mM). Data were represented as ± SEM. * p < 0.05, ** p < 0.01 vs Control (CT). B. NO levels produced from HUVEC cells after 8hrs treatment of D-Glucose (10,50mM). Data were represented as mean ± SEM. * p < 0.05, ** p < 0.01, *** p < 0.001 vs Control (CT). FBG ’ (r = 0.543, p < 0.0001, n = 123) (Fig 6A) and ‘ NO and HbA1c ’ (r = 0.614, p < 0.0001, n = 123) (Fig 6B) in control, type 2 diabetes, coronary artery diseases and diabetes with coro- nary artery diseases. However, we have not included type 2 diabetes with hypertensive patients for this analysis. The plot is shown in scatter plots in Fig 6A and 6B respectively. Type 2