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Diagnostic accuracy of brush biopsy.
| Test | Accuracy | Confidence Interval (CI) | Lower Endpoint | Upper Endpoint |
|---|---|---|---|---|
| Sensitivity | 95.6% | 95% | 0.945 | 0.967 |
| Specificity | 84.9% | 95% | 0.830 | 0.868 |
| Positive predictive value | 36.6% | 95% | 0.340 | 0.392 |
| Negative predictive value | 99.5% | 95% | 0.992 | 0.999 |
