INS and type 2 diabetes mellitus: The only difference was the HbA1c was higher among the T2D on insulin as compared to those on OAD alone, at initial clinic visit (11.1% (98 mmol/mol) vs 9.0% (75 mmol/mol), p = 0.005) and latest clinic visit (11.3% (100 mmol/mol) vs 8.0% (64 mmol/mol), p = 0.002).