Colonic Stents for Colorectal Cancer Are Seldom Used and Mainly for Palliation of Obstruction: A Population-Based Study
Table 1
Patient and institution characteristics overall and by mode of index stent insertion for persons with colorectal cancer who received colorectal stents between April 1, 2000, and March 31, 2009.
Variable
Total
Endoscopy
Radiology
value
()
()
()
(%)
(%)
(%)
Median age at stent insertion in years (IQR)
69 (59–77)
71 (59–78)
68 (57–75)
0.17
Sex
Female
79 (35%)
47 (32%)
32 (40%)
0.25
Male
146 (65%)
98 (68%)
48 (60%)
Comorbidity score
0
147 (66%)
99 (68%)
48 (60%)
0.43
1
31 (14%)
16 (11%)
15 (19%)
2
20 (8.9%)
13 (9.0%)
7 (8.8%)
3
26 (11%)
17 (12%)
9 (11%)
Income quintile
1 (lowest)
32 (14%)
21 (14%)
11 (14%)
0.54
2
49 (22%)
27 (19%)
22 (27%)
3
44 (20%)
30 (21%)
14 (18%)
4
42 (19%)
26 (18%)
16 (20%)
5 (highest)
57 (25%)
40 (28%)
17 (21%)
Metastases
Yes
159 (71%)
103 (71%)
56 (70%)
0.87
No
66 (29%)
42 (29%)
24 (30%)
Median time from CRC diagnosis to index stent insertion in days (IQR)
32 (6–347)
28 (7–343)
44 (5–369)
0.44
Chemotherapy prior to index stent insertion
Yes
53 (24%)
32 (22%)
21 (26%)
0.50
No
172 (76%)
113 (78%)
59 (74%)
Type of hospital
Academic
110 (49%)
63 (43%)
47 (59%)
0.03
Community
115 (51%)
82 (57%)
33 (41%)
value for comparison between modalities. Derived using a modified version of the Charlson/Deyo Comorbidity Index score which excluded cancer diagnosis and presence of metastases.