Table 1.

Baseline parameters

Parameter	Condition	n or median	% or range	p-value
n		39	100 %	-
Age (years)		64	36–84	0.063a
Sex	Female	17	44 %	0.918
	Male	22	56 %
Death during follow-up		13	33 %	-
Follow-up (months)		27	1–116	-
Tumor size (mm)		20	2–320	0.497
T stage	T1/2	19	49 %	0.140
	T3/4	20	51 %
Lymph node metastasis		23	59 %	0.112
Lymph node ratio > = 0.10		17	44 %	0.003
Lymphangiosis		19	49 %	0.006
Hemangiosis		2	5 %	0.778
Perineural invasion		13	33 %	0.407
Tumor grade	G1-2	28	72 %	0.439
	G3-4	11	28 %
Positive margin		3	8 %	0.000
Subtype	INT	18	46 %	0.030b
	PB	17	44 %
	POOR	4	10 %

p values derived from two-sided Logrank test. ^acutoff at median, ^btest for INT vs non-INT subtype

Abbreviations: INT intestinal subtype, PB pancreatobiliary subtype, POOR poorly differentiated adenocarcinoma