| in 60% of patients | 4 | other |
| in two different laboratories | 4 | location |
| in the positive serology | 4 | other |
| elisa → be → positive | 19 |
| elisa → be → negative | 8 |
| negative | neutral | positive |
| 0.259 | 0.454 | 0.287 |
| Raw frequency | 27 |
| Normalized frequency | 0.726 |
| Modifier score | 0.900 |
| Perplexity | 242.715 |