Phase angle as a prognostic biomarker in metastatic colorectal cancer: A prospective trial

Table 2 Cox multiple regression model for progression-free survival as outcome

		Hazard ratio	95%CI		P value
			Lower	Upper
Age		1.00	0.98	1.02	0.840
Sex	Women	1.18	0.42	1.81	0.437
	Men	1 (Ref.)
ECOG PS	0	0.74	0.37	1.51	0.414
	1	1 (Ref.)
Phase angle	≥ 4.60°	0.64	0.42	0.98	0.040
	< 4.60°	1 (Ref.)
Primary tumor sidedness	Left	1.13	0.65	1.94	0.668
	Right	1 (Ref.)
Resection of the primary tumor	No	1.86	1.16	2.98	0.010
	Yes	1 (Ref.)
RAS status	Mutated	1.16	0.78	1.71	0.462
	Wild type	1 (Ref.)
Liver metastases	Absent	0.77	0.50	1.17	0.223
	Present	1 (Ref.)
Peritoneal metastases	Absent	0.57	0.37	0.87	0.009
	Present	1 (Ref.)

ECOG: Eastern Cooperative Oncology Group; PS: Performance status; RAS: Rat sarcoma; CI: Confidence interval.