| from person | 85 | other |
| greatly | 33 | degree |
| widely | 18 | degree |
| symptom → can → vary | 94 |
| symptom → vary to → person | 64 |
| symptom → be → varied | 50 |
| symptom → vary to → patient | 17 |
| symptom → vary with → regard | 7 |
| symptom → can → differ | 6 |
| symptom → differ to → person | 6 |
| symptom → vary among → patient | 5 |
| symptom → vary to → individual | 4 |
| symptom → vary among → individual | 4 |
| symptom → vary in → nature | 3 |
| negative | neutral | positive |
| 0.525 | 0.450 | 0.025 |
| Raw frequency | 260 |
| Normalized frequency | 0.752 |
| Modifier score | 0.790 |
| Perplexity | 17.039 |