Table 3.

Association between N+/N0 and overall survival after adjusting for multi-confounders in a cohort of 140 patients with CLM (multivariate analysis)

	Level	HR	95% CI	Standard error	p-Value
N status	N+/N0	1.43	0.61–3.32	0.55	0.40
No. of liver metastasis	>3/1–3	2.07	1.00–4.28	0.54	0.05
CTC-positive	Yes/No	2.31	1.00–4.28	0.66	0.05

CLM colorectal liver metastases, HR hazard ratio, CI confidence interval, CTC circulating tumor cell