Comparison of clinical outcomes of single-incision versus multi-port laparoscopic surgery for descending colon cancer: a propensity score-matched analysis

Table 5 Uni- and multivariate analyses of clinical factors predicting long-term oncological outcomes in the overall cohort

Variables	Disease-free survival		Overall survival
Variables	Univariate P value	Multivariate P value, HR (95% CI)	Univariate P value	Multivariate P value, HR (95% CI)
Age, > 75years	0.386		0.374
Sex, male	0.069	0.341 1.579 (0.617–4.044)	0.524
Approach, SILS	0.519		0.877
Extent of lymph node dissection, D2	0.832		0.222
Multivisceral resection, yes	0.322		< 0.001	0.004 7.424 (1.874–29.411)
Tumor invasion, pT4	< 0.001	< 0.001 7.160 (2.713–18.894)	< 0.001	0.005 6.682 (1.774–25.171)
LN metastasis, positive	< 0.001	0.005 5.219 (1.654–16.465)	0.167	0.956 1.036 (0.289–3.715)
Number of harvested LN <12, yes	0.948		0.228
Postoperative complication, yes	0.786		0.455

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