Do Self-Expanding Metal Stents as a Bridge to Surgery Benefit All Patients with Obstructive Left-Side Colorectal Cancers?

Table 5

Univariate and multivariate analyses of risk factors on prognosis in the SEMS group.

SEMS group	3-year DFS				3-year OS
	Univariate		Multivariate		Univariate		Multivariate
Characteristic	Hazard ratio (95% CI)		Hazard ratio (95% CI)		Hazard ratio (95% CI)		Hazard ratio (95% CI)
Age (≥60 vs <60 years)	4.98 (0.52, 47.47)	0.163	—	—	1.68 (0.35, 8.00)	0.514	—	—
Sex (male vs female)	5.88 (0.24, 142.85)	0.276	—	—	1.05 (0.11, 9.98)	0.968	—	—
ASA ( vs )	12.66 (0.73, 218.60)	0.081	—	—	7.97 (0.84, 75.78)	0.071	—	—
pT stage (pT4 vs pT1-3)	47.51 (2.10, 1075.38)	0.015	7.54 (1.51, 37.70)	0.014	47.04 (3.34, 663.62)	0.004	15.42 (1.92, 123.79)	0.010
pN stage (pN+ vs pN0)	8.12 (0.32, 204.56)	0.203	—	—	5.45 (0.43, 69.34)	0.192	—	—
Metastasis (cM1 vs cM0)	—	—	—	—	1.35 (0.09, 20.91)	0.832	—	—
Comorbidity (with vs without)	0.54 (0.10, 3.04)	0.483	—	—	0.24 (0.05, 1.21)	0.083	—	—

All factors where the value of univariate analysis is lower than 0.10 were involved in multivariate analysis; vs: versus; pN+ includes pN1-2; ASA comprises grades IV and V; with comorbidities: defined as hypertension, diabetes mellitus, and single- and multiple-organ dysfunction.