| due to bleeding | 3 | cause |
| symptom → be → black | 9 |
| symptom → include → black | 9 |
| symptom → include → black spots | 5 |
| symptom → include → black outs | 4 |
| negative | neutral | positive |
| 0.710 | 0.274 | 0.015 |
| Raw frequency | 27 |
| Normalized frequency | 0.296 |
| Modifier score | 0.900 |
| Perplexity | 187.806 |