Pancreaticoduodenectomy for duodenal papilla carcinoma: A single-centre 9-year retrospective study of 112 patients with long-term follow-up

Table 3 Multivariate analysis comparing overall survival to prognostic factors in 112 patients with duodenal papilla carcinoma

Factors	No.	5 years survival	Median survival (95%CI)(mo)	Relative risk (95%CI)	P value
CA19-9 (U/mL)					0.174
< 120	73	56.2%	141.0 (3.3-278.6)	1
> 120	39	38.3%	45.0 (22.6-67.4)	1.550 (0.823-2.920)
CEA (ng/mL)					0.528
< 5	96	54.1%	80.0 (10.4-149.5)	1
> 5	16	25.0%	30.0 (18.2-41.8)	1.270 (0.605-2.663)
Bilirubin (μmol/L)					0.264
< 34.2	43	65.1%		1
> 34.2	69	40.6%	45.0 (29.9-60.1)	1.408 (0.772-2.566)
Differentiation					0.137
Well	40	62.4%	141.0	1
Moderate	38	39.5%	44.0 (3.09-57.1)	0.808 (0.399-1.635)	0.553
Poor	34	47.1%	52.0 (3.552-100.4)	1.636 (0.814-3.285)	0.167
Infiltration depth					0.022
T1 + T2	48	70.8%		1
T3 + T4	64	34.4%	39.0 (26.3-51.7)	2.211 (1.119-4.367)
lymph metastases					0.142
N0	88	60.2%	141.0	1
N1	24	12.5%	28.0 (6.1-113.9)	1.744 (0.830-3.666)
TNM stage					0.047
IA + IB + IIA	69	69.5%		1
IIB + III	43	18.6%	28.0 (21.6-34.4)	2.109 (1.010-4.406)