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Comparison of diagnostic accuracy among 3 different endoscopic techniques (conventional endoscopy, magnifying endoscopy, and EUS).
| Correct | Error | Accuracy | |
|---|---|---|---|
| Conventional endoscopy | 137 | 31 | 81.5%A |
| Magnifying endoscopy | 138 | 30 | 82.1%B |
| EUS | 136 | 32 | 81.0%C |
P = 0.8875 (A versus B), P = 0.7785 (B versus C), P = 0.8888 (A versus C).
