Research Article

A Clinical Prospective Observational Cohort Study on the Prevalence and Primary Diagnostic Accuracy of Occult Vertebral Fractures in Aged Women with Acute Lower Back Pain Using Magnetic Resonance Imaging

Figure 1

Patient selection flowchart. Among the total of 5,988 new outpatients, 551 (9.2%) were female (>70 years old). Acute LBP patients with exact origins amounted to 60 cases (1.0%). Among these, 9 cases were unavailable for MRI due to medical contraindication. The final 51 cases were included in the current study.