Table 3.

Comparison of American College of Cardiology/American Heart Association Guideline and Clinical Judgment Using Troponin-I for Diagnosis of Patients Having Myocardial Infarction Within 30 Days

InterventionSensitivitySpecificityPositive Likelihood RatioNegative Likelihood RatioPPVNPV
2002 ACC/AHA guidelines (high vs. intermediate and low risk)1.00 (0.65–1.00)0.15 (0.15–0.15)1.18 (0.77–1.18)0 (0–2.37)0.02 (0.01–0.02)1.0 (0.96–1.00)
2002 ACC/AHA guidelines (high and intermediate vs. low risk)1.00 (0.65–1.00)0.13 (0.12–0.13)1.15 (0.75–1.15)0 (0–2.81)0.02 (0.01–0.02)1.00 (0.95–1.00)
Clinical judgment (high vs. low risk)1.00 (0.65–1.00)0.48 (0.47–0.48)1.91 (1.22–1.91)0 (0–0.75)0.03 (0.02–0.03)1.00 (0.97–1.00)
  • Values in parentheses are 95% CI.

    PPV, positive predictive value; NPV, negative predictive value.