Factors associated with correct assessment of histological vascular involvement using univariable analysis
| Variable | Category | Correct, n/N (%) | OR (95% CI) | P value |
| Age | – | – | 1.04 (0.99 to 1.09) | 0.10 |
| Gender | Male | 33/43 (76.7%) | 1 | 0.11 |
| Female | 23/38 (60.5%) | 0.46 (0.18 to 1.21) | ||
| Time (years) | – | – | 1.20 (0.98 to 1.48) | 0.07 |
| Stent type | No stent | 28/41 (68.3%) | 1 | 0.56 |
| Metal | 6/7 (85.6%) | 2.78 (0.3 to 25.5) | ||
| Plastic | 22/33 (66.7%) | 0.93 (0.34 to 2.46) | ||
| Tumour size (mm)* | – | – | 0.67 (0.40 to 1.10) | 0.11 |
| EUS to surgery (days) | – | – | 1.01 (0.98 to 1.05) | 0.24 |
*OR given for a 10-unit increase in predictor variable.
EUS, endoscopic ultrasound.