Table 3. Comparison of Operating Characteristics of the Male Osteoporosis Risk Estimation Score in the National Health and Nutrition Examination Survey (NHANES) III Development Study43 and the Current Validation Study
NHANES III (n = 2995)Current Study (n = 346)
Prevalence of osteoporosis (%)4.84.3
Sensitivity0.93 (0.88–0.97)0.80 (0.52–0.96)
Specificity0.59 (0.57–0.61)0.70 (0.64–0.74)
Positive predictive value0.10 (0.09–0.12)0.11 (0.06–0.18)
Negative predictive value0.99 (0.99–1.00)0.99 (0.96–1.00)
Area under the curve0.83 (0.81–0.86)0.82 (0.71–0.92)
  • 95% Confidence intervals are set in parentheses.