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 1

Patient characteristics.

Measure	Baseline	30-day follow-up	3-month follow-up	6-month follow-up	12-month follow-up
Symptoms of obstruction
Nausea	36.9% (93/252)	7.9% (15/191)	4.8% (6/125)	3.5% (3/85)	16.7% (6/36)
Vomiting	26.7% (67/251)	4.7% (9/192)	1.6% (2/125)	3.6% (3/84)	5.6% (2/36)
Constipation	77.1% (192/249)	17.2% (33/192)	13.6% (17/125)	20.0% (17/85)	28.6% (10/35)
Diarrhea	26.4% (66/250)	17.2% (33/192)	11.2% (14/125)	10.7% (9/84)	11.4% (4/35)
Abdominal pain/cramps	75.4% (190/252)	23.0% (44/191)	22.6% (28/124)	15.7% (13/83)	19.4% (7/36)
Bloating	57.1% (144/252)	12.6% (24/191)	4.8% (6/125)	7.1% (6/84)	11.4% (4/35)
Passage of stool
Good	5.1% (13/255)	77.7% (160/206)	84.1% (106/126)	83.7% (72/86)	75.0% (27/36)
Fair	9.4% (24/255)	11.2% (23/206)	11.1% (14/126)	11.6% (10/86)	19.4% (7/36)
Poor	83.9% (214/255)	7.8% (16/206)	3.2% (4/126)	1.2% (1/86)	2.8% (1/36)
Unknown	1.2% (3/255)	3.4% (7/206)	1.6% (2/126)	3.5% (3/86)	2.8% (1/36)
Missing	0.4% (1/255)	0.0% (0/255)	0.0% (0/255)	0.0% (0/255)	0.0% (0/255)
Lost to follow-up/death	0.0% (0/255)	19.2% (49/255)	50.6% (129/255)	66.3% (169/255)	85.9% (219/255)