| during the first few months | 5 | temporal |
| often | 3 | temporal |
| during middle-age | 3 | temporal |
| symptom → can → return | 28 |
| symptom → can → reappear | 9 |
| symptom → can → recur | 9 |
| symptom → can → reoccur | 3 |
| negative | neutral | positive |
| 0.506 | 0.430 | 0.064 |
| Raw frequency | 49 |
| Normalized frequency | 0.377 |
| Modifier score | 0.667 |
| Perplexity | 95.606 |