Table 3 Primary and secondary outcomes
Primary outcome measures: | Measurement scale | Time* |
|---|---|---|
Hand activity performance (The Functional Index for Hand OsteoArthritis, FIHOA [36]) # | 0-30 | 0, 3, 6 |
Patient-generated disability (Patient-Specific Function Scale, PSFS [37]) # | 0-10 | 0, 3, 6 |
Secondary outcome measures: | ||
Hand pain # | Numeric rating scale (NRS): 0-10 | 0, 3, 6 |
Hand stiffness # | Numeric rating scale (NRS): 0-10 | 0, 3, 6 |
Patient Global Assessment of disease activity # | NRS: 0-10 | 0, 3, 6 |
Patient Global Assessment of disease activity affecting activities of daily living # | NRS: 0-10 | 0, 3, 6 |
Patient Global Assessment of change in disease activity over past three months # | 7-point scale | 3, 6 |
Patient Global assessment of change in management of activities of daily living # | 5 point scale | 3, 6 |
Grip strength (JAMAR dynamometer) | Kilogramme (mean of three repetitions) | 0, 3, 6 |
Hand dexterity (Moberg Pick-up Test [38]) | Seconds (right hand, left hand) | 0, 3, 6 |
Thumb web space (Grip Size instrument) | Cylinder size: 1–12 cm | 0, 3, 6 |
Health-related quality of life (15D [39]) | 0-1 scale | 0, 3, 6 |