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

Table 4 Multivariate Cox proportional hazards regression analyses of disease free survival

Variables	HR	95%CI	P value
Age	0.93	0.88-0.99	0.013
Histological type
W/D and M/D	Reference
P/D, muc, and sig	3.63	0.80-16.31	0.092
Harvested LN	0.93	0.87-1.00	0.047
TNM Stage
2	Reference
3	5.68	1.42-22.75	0.014
4	2.00	0.37-10.55	0.429
Bowel decompression
Decompression tube	Reference
SEMS	14.56	2.50-85.57	0.003

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; LN: Lymph nodes.