Thyroid Hormones, Autoantibodies, Ultrasonography, and Clinical Parameters for Predicting Thyroid Cancer

Figure 1

Prevalence of malignancy relative to patient age. Significant increases in the prevalence of malignancy were detected in patients who were younger than 40 years of age (, compared with the 40–49-year group) and in those older than 70 years (, compared with the 60–69-year group).