Preoperative defining system for pancreatic head cancer considering surgical resection

Table 4 Oncologic impact of clinical variables used in the new preoperative defining system

Clinical variables	Exp(B)	95%CI	P value
Resectability			0.019
BR	0.222	0.073-0.676	0.008
LA	0.557	0.105-2.955	0.492
Radiologic tumor size (cm) ≥ 2.4	1.696	0.993-2.897	0.053
Tumor location			0.007
Hu	0.952	0.557-1.629	0.858
Hn	9.461	2.634-33.976	0.001
Vascular relationship with			0.064
Venous system	2.788	0.952-8.165	0.061
Arterial system	6.208	1.562-24.669	0.010
Both	2.200	0.484-10.006	0.307
CA19-9 ≥ 825	1.709	0.777-3.761	0.183
Total bilirubin ≥ 4.6	0.588	0.339-1.022	0.060
Adjusted CA19-9 ≥ 50	1.972	1.118-3.480	0.019

BR: Resectable pancreatic cancer; LA: Locally advanced pancreatic cancer.