Research Article
[Retracted] Diagnostic Value of Endoscopic Narrow-Band Imaging Technique in Early Gastric Cancer and Precancerous Lesions
Table 6
Comparison of the diagnostic efficacy of the two groups of inspection methods.
| Measurement site | Precancerous lesions | Early gastric cancer | Accuracy (%) | Sensitivity (%) | Specificity (%) | Kappa value | Accuracy (%) | Sensitivity (%) | Specificity (%) | Kappa value |
| B group () | 94.00 | 93.33 | 94.29 | 0.860 | 96.00 | 90.90 | 97.43 | 0.883 | A group () | 76.00 | 69.23 | 78.38 | 0.433 | 84.00 | 70.00 | 87.50 | 0.535 |
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Note: compared with group A, . |