Table 4. Sensitivity and Specificity of Primary Care Physician Examinations with Cardiologist Examinations as Gold Standard for Detecting Left Ventricular Hypertrophy*
Data SetSensitivity (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)2.960.39
>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)2.620.19
  • 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.