Table 3 Sensitivity, specificity, positive and negative predictive values, and accuracy of magnifying NBI endoscopic findings for predicting gastric atrophy and intestinal metaplasia
Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | Accuracy (%) | |
|---|---|---|---|---|---|
Prediction of atrophy | |||||
Marginal turbid band | 79.7 | 79.2 | 91.7 | 57.6 | 79.6 |
Light blue crest | 46.4 | 95.8 | 97.0 | 38.3 | 59.1 |
Prediction of intestinal metaplasia | |||||
Marginal turbid band | 100 | 66.0 | 71.7 | 100 | 81.7 |
Light blue crest | 72.1 | 96.0 | 93.9 | 80.0 | 84.9 |