Remnant gastric cancer: An ordinary primary adenocarcinoma or a tumor with its own pattern?

Table 3 Univariate and multivariate analysis for disease-free survival and overall survival

Disease-free survival	Univariate			Multivariate			Overall survival	Univariate			Multivariate
Variables	HR	95%CI	P value	HR	95%CI	P value	Variables	HR	95%CI	P value	HR	95%CI	P value
Female (vs male)	0.78	0.41-1.48	0.445	-	-	-	Female (vs male)	1.13	0.66-1.93	0.658	-	-	-
Age ≥ 65 (vs < 65 yr)	0.85	0.47-1.51	0.570	-	-	-	Age ≥ 65 (vs < 65 yr)	1.19	0.74-1.90	0.467	-	-	-
ASA III/IV (vs I/II)	0.97	0.50-1.88	0.972	-	-	-	ASA III/IV (vs I/II)	1.51	0.92-2.48	0.101	-	-	-
Diffuse/mixed type (vs others)	1.43	0.80-2.54	0.228	-	-	-	Diffuse/mixed type (vs others)	1.18	0.73-1.89	0.495	-	-	-
Tumor size ≥ 4.0 cm (vs < 4.0 cm)	4.41	1.97-9.87	< 0.001	2.00	0.80-4.98	0.138	Tumor size ≥ 4.0 cm (vs < 4.0 cm)	2.12	1.24-3.63	0.006	1.35	0.72-2.53	0.351
pT3/pT4 status (vs pT1/pT2)	4.97	2.11-11.73	< 0.001	1.89	0.69-5.14	0.215	pT3/pT4 status (vs pT1/pT2)	2.29	1.31-4.01	0.004	1.38	0.70-2.72	0.347
pN+ (vs pN0)	9.21	3.30-25.73	< 0.001	5.79	1.92-17.45	0.002	pN+ (vs pN0)	2.75	1.57-4.81	< 0.001	2.10	1.12-3.96	0.021
non-CMT vs (CMT)	0.48	0.25-0.92	0.028	1.25	0.62-2.53	0.530	non-CMT vs (CMT)	0.96	0.60-1.55	0.867	-	-	-
RGC (vs PGC)	1.91	0.63-2.26	0.593	-	-	-	RGC (vs PGC)	0.98	0.57-1.67	0.930	-	-	-

P values in bold are statistically significant. HR: Hazard ratio; ASA: American Society of Anesthesiologists; CI: Confidence interval; CMT: Chemotherapy; HR: Hazard ratio; PGC: Proximal gastric cancer; RGC: Remnant gastric cancer.