Figure 4From: Validation of an osteoporosis self-assessment tool to identify primary osteoporosis and new osteoporotic vertebral fractures in postmenopausal Chinese women in Beijing Relation of OSTA to the prevalence of new vertebral fracture in the increased risk group and low risk group according to the OSTA classification scheme. (a) Prevalence of new vertebral fracture by groups. (b) ROC curve.Back to article page