Table 3 Distributions of subscales and total scores
Possible maximum | Mean (SD) | Observed minimum | Median | Observed maximum | |
|---|---|---|---|---|---|
Total RARBIS score | 15 | 4.36 (2.37) | 0 | 4.00 | 11 |
Subscale: | |||||
Clinical | 3 | 1.43 (1.20) | 0 | 1.00 | 3 |
Surgery | 5 | 0.57 (1.00) | 0 | 0.00 | 5 |
X-ray | 4 | 1.00(1.07) | 0 | 1.00 | 4 |
Extra-articular manifestations | 1 | 0.05 (0.22) | 0 | 0.00 | 1 |
Laboratory | 2 | 1.31 (0.63) | 0 | 1.00 | 2 |
Medication | 3 | 2.00 (1.06) | 0 | 2.00 | 3 |
Total score with medication | 18 | 6.36 (2.73) | 1 | 6.00 | 14 |