Clinicopathologic features of remnant gastric cancer over time following distal gastrectomy

Table 4 Analysis of the prognostic factors

Parameters	RGC I			RGC II
	5-YSR	P value		5-YSR	P value
	(%)	UA	MA	(%)	UA	MA
Sex		0.574			0.179
Male	31.9			51.0
Female	51.9			43.6
Age, yr		0.854			0.467
< 60	40.8			44.4
≥ 60	34.2			49.2
Tumor size (cm)		0.018	0.235		0.009	0.653
< 4.0	59.8			60.0
≥ 4.0	23.7			35.2
Reconstruction of 1st operation		0.875			0.644
Billroth I	34.4			44.4
Billroth II	45.5			49.0
Borrmann type		0.015	0.004		0.031	0.013
I + II	57.4			66.7
III + IV	25.9			36.9
Histologic grade		0.035	0.532		0.044	0.254
Differentiated	53.3			66.7
Undifferentiated	24.3			36.9
Lauren grade		0.026	0.108		0.032	0.321
Intestinal	56.9			55.6
Diffuse	22.9			36.7
Tumor stage		0.015	< 0.001		0.009	< 0.001
I + II	67.0			67.3
III + IV	18.1			27.5

MA: Multivariate analysis; RGC I: Remnant gastric cancer 2-10 years after gastrectomy; RGC II: Remnant gastric cancer > 10 years after gastrectomy; UA: Univariate analysis; 5-YSR: Five-year survival rate.