Table 2.
Difference in the use of medications according to the use of metformin.
| Variable | Metformin user | Metformin nonuser | P |
|---|---|---|---|
| Sulfonylurea | 312 (44.2) | 48 (31.6) | 0.004 |
| DPP-4 inhibitor | 279 (39.5) | 36 (23.7) | 0.002 |
| Meglitinide | 12 (1.7) | 9 (5.9) | 0.006 |
| Thiozolidinedione | 32 (4.5) | 9 (5.9) | 0.698 |
| α-Glucosidase inhibitor | 11 (1.6) | 9 (5.9) | 0.004 |
| SGLT2 inhibitor | 0 | 0 | |
| GLP-1 agonist | 2 (0.3) | 0 | 1.000 |
| Rapid-acting insulin | 20 (2.8) | 11 (7.2) | 0.008 |
| Long-acting insulin | 92 (13.0) | 27 (17.8) | 0.125 |
| Premixed insulin | 60 (8.5) | 20 (13.16) | 0.073 |
Values are expressed as number (%). P value for the chi-square test comparing the groups with and without metformin. DPP-4, dipeptidyl peptidase-4; SGLT2, sodium-glucose transporter protein 2; and GLP-1, glucagon-like peptide-1.