Mean correlation coefficient between instruments of each domain with patient global impression of change.
| Medication | A | B | C | D |
|---|---|---|---|---|
| Pain | 0.64 | 0.42 | 0.64 | 0.54 |
| Fatigue | 0.65 | 0.4 | 0.68 | 0.5 |
| Multidimensional function | 0.8 | 0.57 | 0.8 | 0.59 |
| Sleep | 0.64 | 0.46 | 0.64 | 0.4 |
| Depression | 0.39 | 0.26 | 0.63 | 0.34 |
| Physical function | 0.56 | 0.37 | 0.56 | 0.37 |
| Tenderness | 0.4 | 0.34 | 0.4 | ND |
| Dyscognition | 0.3 | ND | ND | ND |
| Anxiety | 0.48 | 0.3 | > 1 | 0.3 |
| Stiffness | 0.78 | 0.46 | 0.74 | ND |
ND: not done.