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Table 1 Accuracy of real-time imaging in the diagnosis of four endometrial categories (polyp, hyperplasia, cancer, and no endometrial abnormality) compared to pathology

From: Diagnostic efficacy of gel infusion sonography in post-menopausal bleeding

Real-time imaging Sensitivity % Specificity % PPV % NPV % Accuracy %
Polyp 92 (88–97) 91.3 (86–93) 90 (88–91) 97.7 (88–99) 91.5 (86–97)
Hyperplasia 77 (71–79) 65.9 (60–67) 68 (58–68) 79 (78–87) 75 (69–82)
Cancer 91.4 (89–93) 93 (88–97) 86 (82–93) 95.8 (83–99) 92.7 (88–98)
No endometrial abnormality     90.3 (89–93)  
  1. Note: sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), and accuracy data are percentages. All numbers in parentheses are 95% CIs