Self-Expanding Metal Stenting for Palliation of Patients with Malignant Colonic Obstruction: Effectiveness and Efficacy on 255 Patients with 12-Month's Follow-up

Table 2

Factors contributing to clinical failure.

Reason for Clinical Failure	Follow-up interval
	30-day 𝑁=24	3-month 𝑁=12	6-month 𝑁=5	12-month 𝑁=1
Poor ability to pass stool	9	3	1	—
Complication/AE since stent placement	10	9	4	1
Poor stool and a complication/AE since stent placement	5	—	—	—