Table 1 Demographics of the inception cohort (n = 208)
| Â | Â | GG | GA+AA | Â |
|---|---|---|---|---|
| Â | Number | (n= 138) | (n= 64 + 6) | P-value |
Age, years, mean (SD) | Â | 52 (13) | 50 (13) | 0.21 |
Female gender, n (%) | Â | 89 (64%) | 50 (71%) | 0.32 |
RF positivity, n (%) | Â | 105 (76%) | 55 (79%) | 0.69 |
DAS28, mean (SD) | ||||
Baseline | 208 | 5.2 (1.4) | 5.3 (1.3) | 0.38 |
3-year average | 208 | 4.0 (1.1) | 3.9 (1.0) | 0.85 |
6-year average | 159 | 4.0 (1.0) | 3.7 (1.0) | 0.10 |
9-year average | 115 | 4.0 (1.0) | 3.7 (1.0) | 0.12 |
Patients with erosions at baseline, n (%) | 208 | 76 (55%) | 44 (63%) | 0.28 |
Ratingen score, median (range) | ||||
Baseline | 208 | 0 (0-2) | 0 (0-2) | 0.17 |
3 years | 208 | 7 (0-15) | 4 (0-10) | 0.08 |
6 years | 160 | 12 (2-26) | 10 (1-21) | 0.18 |
9 years | 116 | 22 (10-38) | 14 (3-24) | 0.07 |