INS and diabetes mellitus: Compared to insulin patients Met/Incr patients had a lesser diabetes duration (4.6 vs. 6.6 years; p < 0.001), lower rates of anamnestic hypoglycaemia (3.6 vs. 23.3%; p < 0.001), and lower blood glucose values (HbA1c 7.3 vs. 8.1%; fasting plasma glucose, FPG 137 vs. 156 mg/dl; postprandial glucose [PPG] 176 vs. 205 mg/dl).