Table 3.
Prognostic value of preoperative parameters for PDAC patients receiving radical surgery
| Concordance index | AIC | Likelihood ratio Х2 | ||
|---|---|---|---|---|
| C-index | Bootstrap 95% CI | |||
| D-dimer | 0.551 | 0.537-0.565 | 13322.60 | 34.26 |
| CA19-9 | 0.543 | 0.529-0.558 | 13328.66 | 28.21 |
| NLR | 0.528 | 0.514-0.542 | 13343.06 | 13.81 |
| CA19-9+ NLR | 0.557 | 0.541-0.574 | 13322.06 | 36.80 |
| D-dimer+ CA19-9 | 0.575 | 0.559-0.591 | 13300.78 | 58.50 |
| D-dimer+ CA19-9+ NLR | 0.582 | 0.566-0.598 | 13293.50 | 67.36 |
PDAC, pancreatic ductal adenocarcinoma; AIC, Akaike information criterion; C-index, concordance index; CI, confidence interval; CA19-9, carbohydrate antigen 19-9; NLR, neutrophil lymphocyte ratio