Lesion count and longterm response after 2 and 3 years of continuous etanercept treatment in patients with early axial spondyloarthritis.
| Variables | Baseline | Yr 2 | Yr 3 |
|---|---|---|---|
| Clinical | |||
| Lesion count | 85 | 22 | 28 |
| Mean | 2.07 | 0.54 | 0.68 |
| SD | 2.89 | 1.48 | 1.84 |
| SRM | N/A | 0.56 | 0.47 |
| MRI | |||
| Lesion count | 22 | 7 | 8 |
| Mean | 0.54 | 0.17 | 0.20 |
| SD | 1.10 | 0.50 | 0.51 |
| SRM | N/A | 0.43 | 0.34 |
SRM: standardized response mean; MRI: magnetic resonance imaging; N/A: not applicable.