Clinical impact of abdominal versus mediastinal metastases as a prognostic factor for poor outcomes following esophageal cancer surgery: a retrospective study

Table 7 Univariate and multivariate analyses of clinicopathological prognostic factors for postoperative survival

Factor	Category	Cause-specific survival				Recurrence-free survival
		Univariate	Multivariate			Univariate	Multivariate
		p value	p value	HR^a	(95% CI^b)	p value	p value	HR	(95% CI^b)
Clinical mediastinal lymph node metastasis	Present (vs. Absent)	0.023*	0.654	1.184	(0.565–2.484)	0.005*	0.250	1.381	(0.797–2.392)
Clinical abdominal lymph node metastasis	Present (vs. Absent)	0.000*	0.030*	2.437	(1.092–5.440)	0.000*	0.677	0.873	(0.461–1.654)
Pathological abdominal lymph node metastasis	Present (vs. Absent)	0.000*	0.001*	4.611	(1.800–11.811)	0.000*	0.000*	5.111	(2.878–9.078)

ISSN: 1471-2407