Table 1.

Patient characteristics between inoperable and operative groups.

Characteristic	Operation	Inoperable	P value	Univariate
	(n = 74)	(n = 10)		Odds ratio (95% CI)	P value
Age			0.001
≤70	61	3		Reference
>70	13	7		10.95 (2.495-48.054)	0.002
Gender			0.292
Male	61	10		Reference
Female	13	0		1.000	0.993
T stage			1.000
T1-2	4	0		Reference
T3-4	69	10		1.000	0.994
N stage			1.000
N0	3	0		Reference
N1-2	70	10		1.000	0.995
Location			0.540
Upper	9	2		Reference
Middle	27	2		0.333 (0.041-2.722)	0.305
Lower	38	6		0.711 (0.123-4.120)	0.703
Length of the lesion			0.027
≤6.75 cm	58	4		Reference
>6.75 cm	16	6		5.438 (1.391-23.570)	0.016
Chemotherapy			0.323
Triweekly	31	2		Reference
Weekly	41	8		1.000	0.180
Tegafur	2	0		1.000	0.999