Vietnam Osteoporosis Workshop, HCMC 2006
VFA showed good sensitivity (>80%) in identifying moderate/severe XSQ deformities
Excellent negative predictive value (>90%) in distinguishing subjects without from those with vertebral deformities on a per subject basis.
Poor sensitivity to detect mild vertebral fractures, especially at the upper thoracic spine.
Visual Assessment of Vertebral Fracture Using Lateral DXA Scan
(Source: J. Rea et al Osteoporos Int 2000)