Research Article

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.

VariableTotalEndoscopyRadiology value
() () ()
(%) (%) (%)

Median age at stent insertion in years (IQR)69 (59–77)71 (59–78)68 (57–75)0.17
Sex
 Female79 (35%)47 (32%)32 (40%)0.25
 Male146 (65%)98 (68%)48 (60%)
Comorbidity score
 0147 (66%)99 (68%)48 (60%)0.43
 131 (14%)16 (11%)15 (19%)
 220 (8.9%)13 (9.0%)7 (8.8%)
 326 (11%)17 (12%)9 (11%)
Income quintile
 1 (lowest)32 (14%)21 (14%)11 (14%)0.54
 249 (22%)27 (19%)22 (27%)
 344 (20%)30 (21%)14 (18%)
 442 (19%)26 (18%)16 (20%)
 5 (highest)57 (25%)40 (28%)17 (21%)
Metastases
 Yes159 (71%)103 (71%)56 (70%)0.87
 No66 (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
 Yes53 (24%)32 (22%)21 (26%)0.50
 No172 (76%)113 (78%)59 (74%)
Type of hospital
 Academic110 (49%)63 (43%)47 (59%)0.03
 Community115 (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.