Table 1: Patient characteristics.

MeasureBaseline30-day follow-up3-month follow-up6-month follow-up12-month follow-up

Symptoms of obstruction
 Nausea36.9% (93/252)7.9% (15/191)4.8% (6/125)3.5% (3/85)16.7% (6/36)
 Vomiting26.7% (67/251)4.7% (9/192)1.6% (2/125)3.6% (3/84)5.6% (2/36)
 Constipation77.1% (192/249)17.2% (33/192)13.6% (17/125)20.0% (17/85)28.6% (10/35)
 Diarrhea26.4% (66/250)17.2% (33/192)11.2% (14/125)10.7% (9/84)11.4% (4/35)
 Abdominal pain/cramps75.4% (190/252)23.0% (44/191)22.6% (28/124)15.7% (13/83)19.4% (7/36)
 Bloating57.1% (144/252)12.6% (24/191)4.8% (6/125)7.1% (6/84)11.4% (4/35)

Passage of stool
 Good5.1% (13/255)77.7% (160/206)84.1% (106/126)83.7% (72/86)75.0% (27/36)
 Fair9.4% (24/255)11.2% (23/206)11.1% (14/126)11.6% (10/86)19.4% (7/36)
 Poor83.9% (214/255)7.8% (16/206)3.2% (4/126)1.2% (1/86)2.8% (1/36)
 Unknown1.2% (3/255)3.4% (7/206)1.6% (2/126)3.5% (3/86)2.8% (1/36)
 Missing0.4% (1/255)0.0% (0/255)0.0% (0/255)0.0% (0/255)0.0% (0/255)
 Lost to follow-up/death0.0% (0/255)19.2% (49/255)50.6% (129/255)66.3% (169/255)85.9% (219/255)