Table 2.

Exercise Stress Testing Outcomes*

Cardiac Outcomes
Treadmill ResultYesNoTotalValueCI
Positive likelihood ratio7.41104.1800–13.1400
Negative likelihood ratio0.31600.0980–1.0210
Probability of disease0.02600.0100–0.0419
Overall accuracy0.89970.8631–0.9286
  • * Calculations were based on formulas from Formulas for confidence intervals from Newcome RG. Two sided confidence intervals for the single proportion; comparison of seven methods. Stat Med 1998;17:857–72.

  • Cardiac outcomes included myocardial infarction, cardiac catheterization with angioplasty and stenting, coronary artery bypass graft, new diagnosis of coronary artery disease, and cardiac death.

  • Equivocal results are included as positive tests.