Table 3. Stepwise multiple regression analysis for predictors of C‐peptide immunoreactivity.
| F‐value | Partial regression coefficient | Standard partial regression coefficient | R 2 (R) | |
|---|---|---|---|---|
| FCPR (ng/mL) | ||||
| Years from diagnosis | 9.4 | −0.017 | −0.170 | 0.224 (0.473) |
| BMI (kg/m2) | 55.2 | 0.108 | 0.406 | |
| sCre (mg/dL) | 7.3 | 0.823 | 0.149 | |
| CPR‐6min (ng/mL) | ||||
| Years from diagnosis | 14.6 | −0.039 | −0.214 | 0.179 (0.423) |
| BMI (kg/m2) | 38.9 | 0.170 | 0.349 | |
| PPCPR (ng/mL) | ||||
| Years from diagnosis | 23.4 | −0.063 | −0.252 | 0.315 (0.561) |
| BMI (kg/m2) | 27.5 | 0.178 | 0.270 | |
| HbA1c (%) | 68.7 | −0.516 | −0.431 | |
BMI, body mass index; CPR‐6min, C‐peptide immunoreactivity 6 min after intravenous injection of 1 mg glucagon; FCPR, fasting CPR; PPCPR, postprandial CPR; sCre, serum creatinine.