Prognostic value of the distance of proximal resection margin in patients who have undergone curative gastric cancer surgery

Table 4 Correlations with clinicopathological factors, recurrence, and locoregional recurrence in the patients who underwent curative distal gastrectomy

Parameter	Recurrence		P value	Locoregional recurrence		P value
	Negative	Positive		Negative	Positive
Gender			0.348			0.172
Male	319	55		33	22
Female	137	18		14	4
Age (years)			0.302			0.100
≤60	217	30		16	14
>60	239	43		31	12
T-stage			<0.001			0.599
T1	301	6		3	3
T2	111	24		14	10
T3	42	42		29	13
T4	2	1		1	0
N-stage			<0.001			0.555
N0	326	4		2	2
N1	95	21		14	7
N2	26	23		17	6
N3	9	25		14	11
Vascular invasion			<0.001			0.957
Absent	426	39		25	14
Present	30	34		22	12
Lymphatic invasion			<0.001			0.682
Absent	256	7		5	2
Present	200	66		42	24
Neural invasion			<0.001			0.975
Absent	306	17		11	6
Present	150	56		36	20
Histology			0.118			0.520
Differentiated	207	26		18	8
Undifferentiated	249	47		29	18
Lauren’s classification			0.356			0.275
Intestinal	192	25		18	7
Diffuse	167	28		19	9
Mixed	97	20		10	10
Proximal resection margin (cm)			0.054			0.275
≤3	55	16		10	6
3 - 6	161	26		14	12
≥6	240	31		23	8
Tumor size (cm)			<0.001			0.862
≤3	240	4		3	1
3 - 5	102	18		12	6
≥5	114	51		32	19
Location			0.003			0.108
Lower third	279	58		40	18
Middle third	177	15		7	8

ISSN: 1477-7819