Disease duration of SpA in patients with Hashimoto’s thyroiditis. Values are number of patients [no. patients with TPO antibodies positivity] (%).
| Disease | Disease Duration | p* | |
|---|---|---|---|
| ≤ 2 Yrs | > 2 Yrs | ||
| SpA | 18 [15] (20.93) | 68 [65] (79.07) | < 0.0005 |
| PsA | 6 [4] (21.43) | 22 [21] (78.57) | 0.027 |
| USpA | 5 [4] (23.81) | 16 [16] (76.19) | 0.023 |
| ReA | 3 [3] (18.75) | 13 [12] (81.25) | 0.020 |
| EA | 3 [3] (17.65) | 14 [14] (82.35) | 0.006 |
| AS | 1 [1] (25.00) | 3 [2] (75.00) | NS |
↵* p < 0.05 by chi-squared test (disease duration > 2 yrs vs disease duration < 2 yrs). SpA: spondyloarthropathy; TPO antibodies: antithyroid peroxidase antibody; PsA: psoriatic arthritis; USpA: undifferentiated SpA; ReA: reactive arthritis; EA: enteropathic spondyloarthritides; AS: ankylosing spondylitis.