| <65 years | 65–74 years | ≥75 years | ||||||
---|---|---|---|---|---|---|---|---|---|
 | Baseline | 24 months | P value | Baseline | 24 months | P value | Baseline | 24 months | P value |
HbA1c (%) of patients with 2-year data (n = 831) | 8.1 ± 1.2 | 7.3 ± 0.9 | <0.05 | 7.6 ± 0.9 | 7.0 ± 0.7 | <0.05 | 7.7 ± 0.9 | 7.1 ± 1.1 | <0.05 |
HbA1c (%) of patients receiving sitagliptin plus SU (n = 529) | 8.2 ± 1.3 | 7.3 ± 0.9 | <0.05 | 7.6 ± 0.9 | 7.0 ± 0.8 | <0.05 | 7.8 ± 0.9 | 7.1 ± 0.8 | <0.05 |