| Dependent variable | Independent variables | Unstandardized coefficients B | P value |
| FBG | C-peptide | −48.959 | <0.0001 |
| HOMA-B | −0.008 | 0.956 | |
| HOMA-IR | 41.052 | <0.0001 | |
| HbA1c | 10.274 | <0.0001 | |
| BMI | −0.666 | 0.270 | |
| Duration of diabetes | −0.357 | 0.629 |