Table 6 Disease activity instruments in the ACR guidelines
| Â | Â | Thresholds of disease activity | ||
|---|---|---|---|---|
Instrument | Range | Low | Moderate | High |
Disease Activity Score in 28 joints | 0 to 9.4 | ≤ 3.2 | > 3.2 and ≤ 5.1 | > 5.1 |
Simplified Disease Activity Index | 0.1 to 86.0 | ≤ 11 | > 11 and ≤ 26 | > 26 |
Clinical Disease Activity Index | 0 to 76 | ≤ 10 | > 10 and ≤ 22 | > 22 |
Rheumatoid Arthritis Disease Activity Index | 0 to 10 | < 2.2 | ≥ 2.2 and ≤ 4.9 | > 4.9 |
Patient Activity Scale | 0 to 10 | < 1.9 | ≥ 1.9 and ≤ 5.3 | > 5.3 |
Routine Assessment Patient Index Data | 0 to 30 | < 6 | ≥ 6 and ≤ 12 | > 12 |