| Variables | Total group | Subgroups | p | |
| Vildagliptin | Sitagliptin | |||
| Age (years)* | 56.08 ± 9.71 | 55.88 ± 11.1 | 56.28 ± 8.2 | p = 0.855 |
| Waist (cm) | 104.36 ± 13.0 | 104.4 ± 13.1 | 104.3 ± 13.1 | p = 0.979 |
| BMI (kg/m2) | 30.2 ± 6.2 | 33.5 ± 6.6 | 33.2 ± 5.8 | p = 0.297 |
| DM duration (years) | 5 (0 - 25) | 4 (0 - 25) | 7 (0 - 23) | p = 0.594 |
| DPP-4 duration (months) | 18 (2 - 64) | 25 (3 - 64) | 10 (2 - 58) | p = 0.725 |