| rarely | 9 | degree |
| in humans | 8 | other |
| in the elderly | 5 | location |
| bite → cause → death | 21 |
| bite → result in → death | 8 |
| bite → lead to → death | 7 |
| bite → cause → fatality | 3 |
| negative | neutral | positive |
| 0.869 | 0.119 | 0.012 |
| Raw frequency | 39 |
| Normalized frequency | 0.609 |
| Modifier score | 0.436 |
| Perplexity | 201.791 |