Table 3.
Diagnostic accuracy of conventional endoscopic features
Sensitivity | Specificity | PPV | NPV | Accuracy | |
Invasive morphology1 | 0.88 | 0.69 | 0.27 | 0.98 | 0.71 |
Invasive pit pattern1 | 0.96 | 0.81 | 0.39 | 0.99 | 0.82 |
Non-lifting sign2 | 0.85 | 0.73 | 0.46 | 0.95 | 0.75 |
Evaluated in all polyps;
Evaluated in sessile and flat polyps. Deep submucosal cancer superficial tumors. PPV: Positive predictive value; NPV: Negative predictive value.