Table 2.
Baseline patient demographic and tumor characteristics in the patients of the BTS cohort
| Patient characteristics (n = 426) | |
|---|---|
| Age (years) (mean ± SD) | 69.4 ± 11.7 |
| Sex [% (n)] | |
| Male | 56.1 (239) |
| Female | 43.9 (187) |
| Any stricture-related symptoms [% (n)] | 94.8 (404) |
| No symptom | 5.2 (22) |
| CROSS before stent placement [% (n)] | |
| 0 | 36.4 (155) |
| 1 | 30.0 (128) |
| 2 | 13.1 (56) |
| 3 | 12.9 (55) |
| 4 | 7.5 (32) |
| Etiology of colorectal stenosis [% (n)] | |
| Primary colorectal cancer | 98.4 (419) |
| Localized (n = 419) | 74.5 (312) |
| With distant metastasis (n = 419) | 26.7 (112) |
| Locally recurrent colorectal cancer | 0.5 (2) |
| Other extrinsic cancer | 0.5 (2) |
| Benign lesion | 0.7 (3) |
| Location of the tumor [% (n)] | |
| Right-sided colon | 23.2 (99) |
| Left-sided colon | 73.7 (314) |
| Rectum | 3.1 (13) |
| UICC-TNM classification for primary CRC patients (n = 419) [% (n)] | |
| 1 | 0.5 (2) |
| 2 | 34.6 (145) |
| 3 | 37.7 (158) |
| 4 | 27.2 (114) |
BTS bridge to surgery, CROSS ColoRectal obstruction scoring system, UICC Union for International Cancer Control