Prediction of detectable C peptide in 73 children and adolescents with type 1 diabetes
| Dependent variable | Independent variable | OR | 95% CI | P value |
| Detectable C peptide | First-year average HbA1c | 0.35 | 0.17 to 0.74 | 0.005 |
| Detectable C peptide | First-year average HbA1c | 0.3 | 0.13 to 0.68 | 0.004 |
| Gender | 3.85 | 1.26 to 11.82 | 0.018 | |
| Celiac disease | 1.45 | 0.87 to 2.44 | 0.157 | |
| Detectable C peptide | Second-year average HbA1c | 0.48 | 0.24 to 0.95 | 0.034 |
| Detectable C peptide | Third-year average HbA1c | 0.48 | 0.25 to 0.94 | 0.032 |
HbA1c, hemoglobin A1c.