From:  The significance of chronic hyperglycemia for the reduced efficacy of eradication therapy in patients with type 2 diabetes mellitus and for Helicobacter pylori survival

 The number of T2DM patients according to HbA1c level

Level of HbA1cNumber of patients in groups depending on HbA1c level
Group 2Group 4
≤ 6.5%2933
≥ 7.0%138