Table 4.
Comparison of factors related to surgical failure and success in patients achieving technical success n (%)
| Surgical failure (n = 13) | Surgical success (n = 53) | P value | |
| Patient-related factor | |||
| Age > 70 yr | 6 (46.2) | 20 (37.7) | 0.578 |
| Male | 10 (76.9) | 36 (67.9) | 0.727 |
| BMI < 18.5 kg/m2 | 3 (23.1) | 1 (1.9) | 0.004 |
| Previous IA surgery | 3 (23.1) | 16 (30.2) | 0.612 |
| Anemia | 9 (69.2) | 28 (52.8) | 0.286 |
| Leukocytosis | 2 (15.4) | 14 (26.4) | 0.406 |
| Hypoalbuminemia | 6 (46.2) | 11 (20.8) | 0.061 |
| ASA 1-2 | 12 (92.3) | 47 (88.7) | 0.703 |
| Tumor-related factor | |||
| WD and MD cancer | 13 (100) | 50 (94.3) | 0.380 |
| TNM stage III-IVA | 12 (92.3) | 32 (60.4) | 0.029 |
| Obstructive site | 0.511 | ||
| Sigmoid flexure | 0 (0) | 5 (9.4) | |
| Descending colon | 0 (0) | 6 (11.3) | |
| Sigmoid-descending area | 2 (15.4) | 7 (13.2) | |
| Sigmoid colon | 5 (38.5) | 17 (32.1) | |
| Recto-sigmoid colon | 6 (46.2) | 18 (34.0) | |
| Flexure area | 8 (61.5) | 30 (56.6) | 0.747 |
| Stent-related factor | |||
| Uncovered | 6 (46.2) | 27 (50.9) | 0.757 |
| Diameter ≤ 22 (mm) | 9 (62.5) | 34 (64.2) | 0.731 |
| Length ≥ 10 (cm) | 8 (61.5) | 27 (50.9) | 0.493 |
| Multiple SEMS | 4 (30.8) | 1 (1.9) | < 0.001 |
| Interval from SEMS to surgery (d) | 9.8 (0-26) | 12.1 (4-26) | 0.354 |
| Hospital stay after surgery (d) | 15.4 (7-44) | 11.7 (6-55) | 0.151 |
BMI: Body mass index; IA: Intra-abdominal; ASA: American society of anesthesiologists; WD: Well-differentiated cancer; MD: Moderate-differentiated cancer; SEMS: Self-expanding metal stents.