Table 1 Clinical and demographic details of adult axial SpA and ERA patients
Parameters | Axial SpA (n = 50) | ERA (n = 52) |
|---|---|---|
Median age (range: in years) | 29 (19–51) | 15.5 (8–18) |
Median disease duration (in years) | 10 (4–23) | 2.2 (0.3–10) |
Clinical features (number) | ||
 Active arthritis | 34 | 50 |
 Enthesitis | 23 | 49 |
 Uveitis | 4 | 0 |
 Sacroiliitis | 50 | 10 |
 Dactylitis | 3 | 0 |
Joints involved | ||
 Shoulder | 6 | 5 |
 Elbow | 2 | 5 |
 Wrist | 6 | 9 |
 Hip | 10 | 10 |
 Knee | 15 | 34 |
 Ankle | 5 | 33 |
 Subtalar | 1 | 5 |
 ESR [median (range)] | 40 (2–133) | 42 (4–135) |
Drug usage (number) | ||
 NSAIDs | 31 | 32 |
 Prednisolone | 7 | 4 |
 Methotrexate | 13 | 4 |
 HLA-B27 positive patients | 47 | 42 |
 Median BASDAI (IQR) (baseline) | 4.5 (2.8) |  |
 Median JSpADA (IQR) (baseline) |  | 4.5 (1.75) |