|  |  | p-value | |
---|---|---|---|---|
 | HR | 95% CI | Univariate | Multivariable |
Pancreatic tumour origin (pancreatic vs non-pancreatic) | 2.3 | 1.3–4.0 | 0.004 |  |
pT stage (pT3 or pT4 vs pT1 or pT2) | 2.0 | 0.9–4.2 | 0.073 |  |
Resection margin involvement (R1 vs R0) | 1.7 | 1.0–2.8 | 0.052 |  |
Lymph node involvement (N1 vs N0) | 3.0 | 1.6–5.4 | < 0.001 | 0.007 |
Poor differentiation (yes vs no) | 1.6 | 0.9–2.6 | 0.094 |  |
Vessel involvement (yes vs no) | 3.1 | 1.8–5.3 | < 0.001 | 0.035 |
Perineural infiltration (yes vs no) | 2.8 | 1.4–5.5 | 0.003 |  |
Tumour size (continuous, measured in cm) | 1.7 | 1.3–2.1 | < 0.001 | < 0.001 |