| Low activitya (n = 4) | Moderate activity (n = 13) | High activity (n = 13) |
---|---|---|---|
Age (years) | 55.2 ± 8.0b | 55.0 ± 4.5 | 59.1 ± 2.9 |
Gender (men/women) | 1/3 | 3/10 | 2/11 |
Disease duration (years) | 1.3 ± 0.2 | 6.6 ± 1.4 | 4.5 ± 3.0 |
Tender joint count | 0.3 ± 0.3 | 2.5 ± 0.5 | 10.0 ± 2.2 |
Swollen joint count | 0.0 ± 0.0 | 3.2 ± 0.9 | 10.5 ± 2.0 |
ESR (mm/hour) | 21.5 ± 7.3 | 43.5 ± 6.0 | 67.7 ± 8.7 |
CRP (mg/liter) | 10.1 ± 6.9 | 9.2 ± 1.8 | 47.7 ± 9.3 |
Rheumatoid factor (units/ml) | 145 ± 106 | 138 ± 53 | 203 ± 62 |
Visual analogue scale (mm) | 8 ± 5 | 30 ± 6 | 57 ± 7 |
DAS28 | 2.3 ± 0.4 | 4.2 ± 0.2 | 6.1 ± 0.2 |