Table 4 Patients with dactylitis and enthesitis at start of biologic treatment under analysis, and after 6Â months and 1Â year
| Â | Start of therapy | At 6Â months | At 1Â year |
|---|---|---|---|
n (%) | n (%) | n (%) | |
Dactylitis | N = 148 | N = 142 | N = 134 |
 Patients with dactylitis | 35 (23.6%) | 5 (3.5%) | 4 (3.0%) |
 Patients with 1 finger with dactylitis | 24 (16.2%) | 2 (1.4%) | 4 (3.0%) |
 Patients with 2 fingers with dactylitis | 8 (5.4%) | 2 (1.4%) | 0 |
 Patients with ≥ 3 fingers with dactylitis | 3 (2.0%) | 1 (0.7%) | 0 |
Leeds Enthesitis Index (LEI) | N = 147 | N = 133 | N = 132 |
None | 98 (66.7%) | 121 (91.0%) | 120 (90.9%) |
 Lateral epicondyles of the humerus R | 22 (15.0%) | 4 (3.0%) | 2 (1.5%) |
 Lateral epicondyles of the humerus L | 19 (12.9%) | 7 (5.3%) | 4 (3.0%) |
 Achilles tendon insertion R | 20 (13.6%) | 5 (3.8%) | 3 (2.3%) |
 Achilles tendon insertion L | 19 (12.9%) | 6 (4.5%) | 4 (3.0%) |
 Medial femoral condyles R | 9 (6.1%) | 4 (3.0%) | 0 (0.0%) |
 Medial femoral condyles L | 9 (6.1%) | 4 (3.0%) | 5 (3.8%) |