Sensitivity, specificity, and negative and positive predictive values of endoscopic ultrasonographic (EUS) features for benignity of gastrointestinal stromal cell tumours
| EUS features | Sensitivity | Specificity | Positive predictive value | Negative predictive value |
| Regular margins | 89 | 69 | 81 | 69 |
| Diameter ⩽30 mm | 53 | 70 | 80 | 40 |
| Homogeneous pattern | 58 | 64 | 78 | 41 |
Values are expressed as percentages.