Factors associated with correct EUS staging 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 | 34/45 (75.6%) | 1 | 0.22 |
| Female | 24/38 (63.1%) | 0.55 (0.21 to 1.42) | ||
| Time (years) | – | – | 1.12 (0.92 to 1.37) | 0.26 |
| Stent type | No stent | 28/41 (68.3%) | 1 | 0.59 |
| Metal | 6/7 (85.6%) | 2.78 (0.3 to 25.5) | ||
| Plastic | 24/35 (69%.0) | 1.01 (0.38 to 2.67) | ||
| Tumour size (mm)* | – | – | 0.65 (0.39 to 1.08) | 0.09 |
| EUS to surgery (days) | – | – | 1.00 (0.96 to 1.03) | 0.95 |
*OR given for a 10-unit increase in predictor variable.
EUS, endoscopic ultrasound.