Effect of combination therapy and insulin therapy on glycemic control. A: The change over time in the mean HbA1c is shown in subjects receiving combination therapy or insulin therapy. B: The percentage of subjects is shown in each treatment group achieving HbA1c <7.0% (53 mmol/mol) and 6.5% (48 mmol/mol). C: The change in HbA1c over time is shown in subjects in the combination therapy group stratified by baseline HbA1c into the upper 50% (n = 62) and lower 50% (n = 61). *P < 0.0001; **P = 0.001.
Effect of combination therapy and insulin therapy on FPG concentration (Conc.) (A) and postprandial plasma glucose concentration (B) in The Qatar Study. AB, after breakfast; AL, after lunch; AS, after supper; BL, before lunch; BS, before supper; BT, bedtime.