Table 1: Epidemiological and demographic features of patients which registries were included.

Dorsal Lumbar P value
Age, SD 75.3, 4.1 78, 15.2 < 0.0001
Time since onset of symptoms, SD 5.2, 2.0 6.3, 1.9 < 0.0001
Previous osteoporosis pharmacological treatment 3.2% 4.0% 0.6486
Previously known vertebral body fracture 4.3% 7.6% 0.1061
Comorbidities
COPD 3 (1%) 6 (2.1%) 0.3133
Asthma 4 (1.4%) 5 (1.8%) 0.7368
Inflammatory autoimmune disease1 8 (2.9%) 7 (2.5%) 0.7934

1Rheumatoid artritis (5), Systemic lupus erythematosus (2), Psoriatic artritis (4) and Spondyloarthrtis (4).