Length of negative resection margin does not affect local recurrence and survival in the patients with gastric cancer

Table 4 Correlation between clinicopathologic factors and local recurrence

Clinicopathologic Factors	Univariable analysis for EGC (P value, HR)	Multivariable analysis for EGC (P value, HR)	Univariable analysis for AGC (P value, HR )	Multivariable analysis for AGC (P value, HR)
Sex	0.403, 0.399		0.650, 1.194
Age	0.946, 0.998		0.267, 0.984
Size of the tumor	0.032, 1.385	0.097, 1.318	< 0.001, 1.223	0.040, 1.146
Lymphatic invasion	0.031, 5.895	0.078, 4.409	0.023, 4.052
Vascular invasion	0.999, 0.000		0.128, 1.879
Perineural invasion	0.057, 8.357		0.013, 3.868	0.191, 2.327
Borrmann Type	-		0.007	0.167
WHO Classification	0.719, 0.731		0.059, 2.401
Lauren Classification	0.602, 0.547		0.180, 1.825
Harvested lymph node	0.696, 0.988		0.713, 1.003
Positive lymph node	0.309, 1.055		0.012, 1.035	0.928, 1.002
PM	0.236, 0.745		0.579, 1.958
DM	0.308, 0.862		0.769, 0.988
Stage	0.998, 0.000		0.017	0.191

Age, size of the tumor, harvested lymph node, positive lymph node, PM, DM were included as continuous values in this analysis. EGC: Early gastric cancer; AGC: Advanced gastric cancer; PM: The length of proximal resection margin; DM: The length of distal resection margin.