| for measles antibody | 5 | other |
| in which culture report | 5 | location |
| by qpcr | 4 | other |
| subject → be → negative | 35 |
| subject → be → more negative | 3 |
| negative | neutral | positive |
| 0.410 | 0.520 | 0.070 |
| Raw frequency | 38 |
| Normalized frequency | 0.330 |
| Modifier score | 1.000 |
| Perplexity | 256.597 |