Fig. 4.

AUC, sensitivity and specificity values of the FRAX, BMD T-score, OSTA and BFH-OSTM for identifying PNOVCF. Comparison of different AUCs (BMD T-score, OSTA, FRAX and BFHOSTM for identifying OVCF). *Optimal FRAX cutoff; +LR: positive likelihood ratio; −LR: negative likelihood ratio. BMD bone mineral density, OSTA Osteoporosis self-Assessment Tool for Asians, FRAX fracture risk assessment tool, BFH-OSTM Beijing Friendship Hospital Osteoporosis Self-Assessment Tool for Elderly Male, AUC area under the receiver operating characteristic curve, OVCF osteoporotic vertebral compression fracture