Prognostic significance of enlarged paraaortic lymph nodes detected during left-sided colorectal cancer surgery: a single-center retrospective cohort study

Table 4 Prognostic factors for overall survival by univariate and multivariate analyses

Variables	n	Univariate analysis		Multivariate analysis
Variables	n	5-year OS (%)	p	HR (95% CI)	p
Pathologic T stage
T4	49	37.6	< 0.001	2.196 (1.063–4.538)	0.034
T1–3	214	82.1
Pathologic N stage
N1-2	137	65.8	0.001	2.064 (0.961–4.434)	0.063
N0	126	87.7
M stage
M1	32	38.8	< 0.001
M0	231	81.5
pathologic palnm
Positive	19	54.0	0.002	1.367 (0.505–3.703)	0.538
Negative	244	78.6
R0 resection
R2	20	12.8	< 0.001	4.643 (2.046–10.534)	< 0.001
R0	243	82.3

OS Overall survival; HR hazard ratio; CI Confidence interval; PALNM Paraaortic lymph node metastasis

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