Table 4.
Results of model development with binary logistic regression and internal validation of model
| Value | OR | β coefficient | P | Final model coefficients after penalization | |
|---|---|---|---|---|---|
| Apparent AUROC | 0.912 (0.864, 0.959) | ||||
| Optimism-adjusted AUROC | 0.904 (0.855, 0.949) | ||||
| Nagelkerke R2 | 0.533 | ||||
| PT at transection site (mm) | 1.55 (1.38, 1.75)* | 0.440* | <0.001 | 0.385* | |
| Transection at pancreatic neck | 2.00 (0.84, 4.80) | 0.730 | 0.104 | 0.545 | |
| Diabetes mellitus | 0.34 (0.10, 1.09) | −1.281 | 0.047 | −1.116 | |
| Intercept | −9.894 | −8.322 |
Values in parentheses are 95 per cent confidence intervals. Optimism-adjusted area under receiver operating characteristic curve (AUROC) calculated as apparent AUROC—optimism, which was acquired by bootstrapping.
*
Per unit increase.