Comparison of decompression tubes with metallic stents for the management of right-sided malignant colonic obstruction

Table 3 Multivariate Cox proportional hazards regression analyses of overall survival

Variables	HR	95%CI	P value
Sex
Male	Reference
Female	0.08	0.01-0.49	0.006
Histological type
W/D and M/D	Reference
P/D, muc, and sig	6.61	0.80-54.36	0.079
TNM Stage
2	Reference
3	14.64	1.98-108	0.009
4	18.90	1.48-242	0.024
Bowel decompression
Decompression tube	Reference
SEMS	17.41	2.50-121	0.004

HR: Hazard ratio; CI: Confidence interval; W/D: Well differentiated; M/D: Moderately differentiated; P/D: Poorly differentiated; muc: Mucinous adenocarcinoma; sig: Signet ring cell carcinoma; SEMS: Self-expandable metallic stents.