| highly | 9 | degree |
| among patients | 6 | other |
| in all three countries | 5 | location |
| fatigue → be → prevalent | 18 |
| fatigue → be → pervasive | 4 |
| fatigue → be → widespread | 4 |
| negative | neutral | positive |
| 0.699 | 0.258 | 0.043 |
| Raw frequency | 26 |
| Normalized frequency | 0.573 |
| Modifier score | 0.600 |
| Perplexity | 57.454 |