Factors predicting survival in patients with proximal gastric carcinoma involving the esophagus

Table 3 Independent overall survival predictors retained by multivariate analysis

Factor	No. of patients	Multivariate analysis
		HR	95% CI		P value
Celiac axis lymph node		Compared to pN0
Negative	130
Positive	12	1.76	0.68	4.57	0.246
Number of positive nodes/case		Compared to pN0
LN+≥ 7	48	1.34	0.6	2.96	0.467
LN+≥ 16	14	2.77	1.15	4.51	0.018
Lymph node ratio		Compared to pN0
≤ 0.2	40	3.8	1.28	11.26	0.016
> 0.2	66	7.79	2.05	29.57	0.003
Overall stage pIV		Compared to pI
	12	18.43	2.27	145.62	0.002
Tumor differentiation poorly differentiated		Compared to well differentiated
	70	1.42	0.79	2.55	0.243

LN: Lymph node; HR: Hazards ratio; CI: Confidence interval.