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. 2014 Jun 7;20(21):6586–6593. doi: 10.3748/wjg.v20.i21.6586

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
1

Evaluated in all polyps;

2

Evaluated in sessile and flat polyps. Deep submucosal cancer superficial tumors. PPV: Positive predictive value; NPV: Negative predictive value.