Measure | Distribution-based methods | Anchor-based methods | ||||
---|---|---|---|---|---|---|
½ SD | SEM | PGA | PhGA | 6MWT | Median | |
4FS weekly score | 1.25 | 0.79 | 2.14 | 1.53 | 2.05 | 2.05 |
Tiredness at rest | 0.33 | 0.29 | 0.46 | 0.31 | 0.55 | 0.46 |
Tiredness during activities | 0.32 | 0.25 | 0.56 | 0.4 | 0.62 | 0.56 |
Muscle weakness at rest | 0.36 | 0.22 | 0.47 | 0.36 | 0.39 | 0.39 |
Muscle weakness during activities | 0.36 | 0.2 | 0.65 | 0.47 | 0.49 | 0.49 |
Balance problems | 0.39 | 0.22 | 0.27 | 0.03 | 0.35 | 0.27 |
Vision problems | 0.51 | 0.2 | 0.23 | 0.04 | 0.24 | 0.23 |
Abdominal discomfort | 0.29 | 0.21 | 0.29 | 0.07 | 0.26 | 0.26 |
Muscle pain | 0.47 | 0.21 | 0.55 | 0.22 | 0.38 | 0.38 |
Numbness | 0.43 | 0.31 | – | 0.04 | 0.07 | 0.06 |
Headache | 0.43 | 0.18 | 0.34 | 0.07 | 0.61 | 0.34 |