Research Article

Light and Shadow of Na-Glucose Cotransporter 2 Inhibitors in the Treatment of Diabetes Mellitus: Points for Improvement Based on Our Clinical Experience

Figure 3

Comparison of changes in HbA1c over time in two groups with and without improvement in diabetes mellitus. The mean rate of change in HbA1c in the improving group (bold blue line) decreased significantly in the first six months of treatment (), remained almost unchanged after that, and showed an upward trend again after two years. In the nonimproving group (bold yellow line), there was little change () throughout the two-year follow-up period from the start of treatment (Bonferroni correction method for multiple comparisons within groups).