| often | 6 | temporal |
| in mild cases | 2 | temporal |
| lupus → cause → fatigue | 12 |
| lupus → cause → extreme fatigue | 6 |
| lupus → experience → fatigue | 3 |
| lupus → cause → chronic fatigue | 3 |
| negative | neutral | positive |
| 0.842 | 0.130 | 0.028 |
| Raw frequency | 24 |
| Normalized frequency | 0.490 |
| Modifier score | 0.633 |
| Perplexity | 70.856 |