Table 3.
Baseline characteristics according to success or failure of stent insertion, n (%)
| Success group (n = 57) | Technical failure group (n = 7) | P value | Clinical failure group (n = 8) | P value | |
| Age (yr, mean ± SD) | 56.2 ± 12.4 | 58.3 ± 7.9 | 0.660 | 53.9 ± 11.1 | 0.623 |
| Male | 23 (40.4) | 4 (57.1) | 0.443 | 7 (87.5) | 0.020 |
| Primary malignancy | 0.352 | 0.255 | |||
| Upper abdominal cancer | 42 (73.7) | 5 (71.4) | 8 (100.0) | ||
| Lower abdominal cancer | 12 (21.1) | 2 (28.6) | 0 | ||
| Extra abdominal cancer | 3 (5.3) | 0 | 0 | ||
| Obstruction site | 0.110 | 0.017 | |||
| Left colon | 35 (63.2) | 2 (28.6) | 1 (12.5) | ||
| Right colon | 21 (36.8) | 5 (71.4) | 7 (87.5) | ||
| Degree of obstruction | 0.359 | 1.000 | |||
| Partial | 6 (10.5) | 1 (14.3) | 1 (12.5) | ||
| Near total | 51 (89.5) | 6 (85.7) | 7 (87.5) | ||
| Peritoneal carcinomatosis | 42 (73.7) | 4 (57.1) | 0.391 | 5 (62.5) | 0.675 |
| Previous chemotherapy | 49 (86.0) | 7 (100.0) | 0.582 | 7 (87.5) | 1.000 |
| Previous radiotherapy | 9 (15.8) | 2 (28.6) | 0.593 | 1 (12.5) | 1.000 |
| Stent length ≤ 10 cm (%) | 36 (63.2) | NA | NA | 2 (25.0) | 0.058 |
Upper abdominal cancer: Gastric cancer and pancreaticobiliary cancer; Lower abdominal cancer: Ovarian cancer, uterine cancer, and bladder cancer; Left colon: From the rectum to descending colon; Right colon: From the splenic flexure to ascending colon.