Data Set | Sensitivity (95% CI) | Specificity (95% CI) | PPV (95% CI) | NPV (95% CI) | +LR | −LR |
---|---|---|---|---|---|---|
Full Set (n = 101) | 0.73 (0.59–0.87) | 0.75 (0.64–0.86) | 0.63 (0.48–0.77) | 0.83 (0.73–0.92) | 2.96 | 0.39 |
>35 Exams† (n = 15) | 0.89 (0.68–1.00) | 0.67 (0.29–1.00) | 0.80 (0.55–1.00) | 0.80 (0.45 to −1.00) | 2.62 | 0.19 |
↵† The sensitivity and specificity of any exams performed after completing the first 35 examinations.
↵* Left ventricular hypertrophy is defined as left ventricular mass index >95 g/m2 for women and >115 g/m2 for men.
CI, confidence interval; +LR, positive likelihood ratio; −LR, negative likelihood ratio; NPV, negative predictive value; PPV, positive predictive value.