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Table 4 Sensitivity, specificity, predictive values, AUC and likelihood ratios for CAD diagnosis

From: Usefulness of carotid ultrasonography in the diagnosis of coronary artery disease in patients undergoing exercise echocardiography

Conclusive EE (N = 131)
  Sensitivity (95% CI) Specificity (95%CI) PPV (95% CI) NPV (95% CI) Efficiency (95% CI) AUC (95% CI) PLR NLR
EE 92.4% (84.4–96.5) 61.5% (48.0–73.5) 78.5% (69.1–85.6) 84.2% (69.6–92.6) 80.2% (72.5–86.1) 0.77 (0.68–0.86) 2.40 0.12
EE + CP 98.1% (90.1–99.7) 63.3% (45.5–78.1) 82.5% (71.4–90.0) 95.0% (76.4–99.1) 85.5% (76.4–91.5) 0.81 (0.70–0.92) 2.68 0.03
  1. AUC area under the curve, NLR negative likelihood ratio, NPV negative predictive value, PLR positive likelihood ratio, PPV positive predictive value. Rest of abbreviations as in Tables 1, 2 and 3