Test-retest reliability of items.
| Test-Retest Item | Mean (SD) | ICC (95% CI) |
|---|---|---|
| PGA VAS | 28.77 (24.84) | 0.702 (0.56, 0.785) |
| MDGA VAS | 22.10 (23.46) | 0.961 (0.947, 0.971) |
| HAQ | 0.661 (0.61) | 0.897 (0.855, 0.927) |
| VAS Pain | 33.53 (25.66) | 0.742 (0.646, 0.813) |
| VAS Fatigue | 36.46 (27.96) | 0.741 (0.646, 0.813) |
| VAS Sleep | 31.58 (29.96) | 0.800 (0.723, 0.857) |
| Initial PGA vs initial MDGA | – | –0.172 (−0.717, 0.200) |
PGA: Patient Global Assessment, VAS: Visual Analog Scale. MDGA: Physician Global Assessment, HAQ: Health Assessment Questionnaire, ICC: intraclass correlation, CI: confidence interval.