Table 1.
Selected fatigue scales used in rheumatoid arthritis (RA).
| Scale | Aspect Assessed | Number of Questions | Scale Type | Recall Period |
|---|---|---|---|---|
| Visual Analogue Scale (VAS) | Severity | 1 | Visual analogue | Usually past 7 days |
| Functional Assessment of Chronic Illness Therapy Fatigue Scale (FACIT-F) |
Severity and impact |
13 | 5-point Likert | Past 7 days |
| Bristol Rheumatoid Arthritis Fatigue-Multidimensional Questionnaire (BRAF-MDQ) | Severity and impact |
20 | 4-point Likert, except for the first three items, which are numerical or categorical as appropriate | Past 7 days |
| revised Bristol Rheumatoid Arthritis Numerical Rating Scales (BRAF-NRS V2) | Severity and impact |
3 | 0–10 point numerical | During past 7 days |
| Rheumatoid Arthritis Impact of Disease (RAID) | Severity and impact |
7 | 0–10 point numerical | Past 7 days |
| Patient Reported Outcome Measurement Information System (PROMIS)-29 Fatigue T-score | Severity and impact |
29 | 5-point Likert, except for the last question, which is 10-point Likert | Past 7 days |