From: Incidence and predictors of morphometric vertebral fractures in patients with ankylosing spondylitis
Characteristics | Number (%) | Mean ± SD |
---|---|---|
Sex | Â | Â |
Women | 61 (20.5) | Â |
Male | 237 (79.5) | Â |
Age (years) |  | 33.9 ± 10.9 |
Age at diagnosis (years) |  | 30.1 ± 10.8 |
Disease duration (years) |  | 3.8 ± 5.1 |
Family history of AS | 27 (9.1) | Â |
HLA-B27-positive1 | 244 (92.1) | Â |
Back pain | 293 (98.7) | Â |
History of peripheral arthritis | 190 (63.8) | Â |
History of enthesitis | 71 (23.8) | Â |
History of uveitis | 87 (29.7) | Â |
BASDAI, score |  | 5.4 ± 1.8 |
Sacroiliitis grade | Â | Â |
Right |  | 3.1 ± 0.7 |
Left |  | 3.1 ± 0.7 |
Mean sacroiliitis grade |  | 3.1 ± 0.7 |
SASSS, score (range) |  | 8.6 ± 15.9 (0 to 69) |
ESR, mm/h |  | 28.6 ± 25.8 |
CRP, mg/L |  | 1.7 ± 3.1 |
Patients on NSAIDs | 245 (82.2) | Â |
Patients on sulfasalazine | 141 (47.3) | Â |
Patients on MTX | 86 (29.1) | Â |
Patients on TNF inhibitors | 118 (39.6) | Â |
Patients on calcium | 22 (11.1) | Â |
Patients on bisphosphonate | 8 (2.7) | Â |