Prognostic value of preoperative weight loss-adjusted body mass index on survival after esophagectomy for esophageal squamous cell carcinoma

Table 7 Predictors of overall survival in univariable and multivariable analyses

Variables	Univariate analyses			Multivariate analyses
	HR	95%CI	P value	HR	95%CI	P value
Age	1.16	1.00-1.33	0.038	1.11	0.97-1.27	0.136
Sex, M/F	1.32	1.10-1.58	0.002	1.19	0.99-1.43	0.066
TNM stage	2.56	2.24-2.92	0.000	2.52	2.20-2.89	0.000
Adjuvant therapy	0.86	0.75-0.98	0.027	0.75	0.66-0.86	0.000
Group 1	1
Group 2	1.29	1.11-1.51	0.001	1.19	1.02-1.39	0.030
Group 3	1.96	1.62-2.37	0.000	1.63	1.35-1.98	0.000

HR: Hazard ratio; 95%CI: 95% Confidence interval.