Table 2.
Baseline patient data.
| Baseline characteristics | Patients with neoplasian (%age) |
Patients without neoplasia(control) n (%age) |
Total n (%age) |
|
|---|---|---|---|---|
| (n = 113) | (n = 343) | (N = 456) | ||
| Montreal classification | Distal (Recto-Sigmoid) | 23 (20%) | 56 (16%) | 79 (17%) |
| Left-sided (to splenic flexure) | 17 (15%) | 61 (18%) | 78 (17%) | |
| Extensive (beyond splenic flexure) | 67 (59%) | 203 (59%) | 270 (59%) | |
| Unknown/Missing | 6 (5%) | 23 (7%) | 29 (6%) | |
| Smoker | No | 75 (66%) | 197 (57%) | 272 (60%) |
| Yes | 7 (6%) | 9 (2%) | 16 (4%) | |
| Unknown | 22 (19%) | 125 (36%) | 147 (32%) | |
| Ex-smoker | 9 (8%) | 12 (3%) | 21 (5%) | |
| Primary sclerosing cholangitis | No | 100 (88%) | 293 (85%) | 393 (86%) |
| Yes | 8 (7%) | 46 (13%) | 54 (12%) | |
| Unknown/Missing | 5 (4%) | (1%) | 9 (2%) | |
| Family history of inflammatory bowel disease | No | 85 (75%) | 249 (73%) | 334 (73%) |
| Yes | 4 (4%) | 20 (6%) | 24 (5%) | |
| Unknown/Missing | 24 (21%) | 74 (22%) | 98 (21%) | |
| Family history of colorectal cancer | No | 83 (73%) | 257 (75%) | 340 (75%) |
| Yes | 6 (5%) | 6 (2%) | 12 (3%) | |
| Unknown | 17 (15%) | 13 (4%) | 30 (7%) | |
| Missing | 7 (6%) | 67 (20%) | 74 (16%) | |