Long-term survival after resection of pancreatic cancer: A single-center retrospective analysis

Table 3 Multivariate analysis of factors prognostic for survival in patients undergoing pancreatic resection for pancreatic cancer

Variables	HR	95%CI	P value
CA19-9 ( ≤ 200)	0.668	0.410-1.084	0.102
DUPAN-2 ( ≤ 180)	0.767	0.461-1.264	0.299
Negative surgical margin (R0)	0.478	0.296-0.770	0.003
Tumor size ≤ 20 mm	0.399	0.171-0.825	0.012
No lymph node metastasis	0.764	0.413-1.355	0.364
No extrapancreatic neural invasion	0.906	0.548-1.477	0.695
No portal invasion	0.859	0.541-1.370	0.520