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Comparison of discrepant lab A, B, C compared to lab D results.
| A\D | positive | negative | Total |
|---|---|---|---|
| Positive | 47 | 0 | 47 |
| Negative | 1 | 1 | 2 |
| Total | 48 | 1 | 49 |
| B\D | positive | negative | Total |
| Positive | 48 | 1 | 49 |
| Negative | 0 | 0 | 0 |
| Total | 48 | 1 | 49 |
| C\D | positive | negative | Total |
| Positive | 34 | 0 | 34 |
| Negative | 14 | 1 | 15 |
| Total | 48 | 1 | 49 |
