Table 1

, BMD measurement in spine and hip of 70 AS patients treated with TNFi

BaselineAfter 2 years of TNFiAfter 4 years of TNFi
Osteopenia LS*23 (32.9)19 (27.1)21 (30.0)
Osteoporosis LS6 (8.6)3 (4.3)2 (2.9)
Abnormal BMD LS29 (41.5)21 (31.4)23 (32.9)
Osteopenia total hip22 (31.4)19 (27.1)16 (22.9)
Osteoporosis total hip2 (2.9)2 (2.9)3 (4.3)
Abnormal BMD total hip**24 (34.3)21 (30.0)19 (27.2)
Patients with VFx7 (10.0)7 (10.0)9 (12.9)
Total number of VFx8811
  • *Lumbar Spine; **N=68, because 2 patients had a total hip replacement. Abnormal BMD = osteopenia and/or osteoporosis according to WHO guideline6. Vertebral fractures (VFx) are presented in number of patients with a VFx and the actual prevalence of VFx. Outcomes are presented in n (%).