Table 2.
Preoperative parameters to predict disease-free survival and overall survival of patients with resectable pancreatic cancer.
| Parameters | Disease-Free Survival | Overall Survival | ||||
|---|---|---|---|---|---|---|
| HR | 95% CI | P Value | HR | 95% CI | P Value | |
| Symptoms at diagnosis | 2.01 | 1.12–3.62 | 0.020 | 1.68 | 0.88–3.22 | 0.115 |
| Preoperative serum CA 19-9 ≥ 34 U/mL | 1.63 | 0.97–2.72 | 0.065 | 2.29 | 1.19–4.39 | 0.013 |
| Necrosis on CT | 1.64 | 0.97–2.79 | 0.066 | 2.42 | 1.39–4.21 | 0.002 |
| PV or SMV invasion on CT | 1.4 | 0.89–2.21 | 0.150 | 1.67 | 0.99–2.81 | 0.055 |
| Regional LN suspicious for metastasis on CT | 2.07 | 1.35–3.19 | 0.001 | 1.53 | 0.92–2.54 | 0.099 |
| Associated pancreatitis or pseudocyst on CT | 0.51 | 0.30–0.86 | 0.013 | 0.54 | 0.30–0.98 | 0.041 |
| Harrell’s c-statistics | 0.6496 (0.0325) | 0.6746 (0.0384) | ||||
Numbers in parentheses are standard errors. HR, hazard ratio; CI, confidence interval; CA 19-9, carbohydrate antigen 19-9; CT, computed tomography; PV, portal vein; SMV, superior mesenteric vein; LN, lymph node; AIC, Akaike information criterion.