Table 3:

Performance of the Ottawa Chest Pain Cardiac Monitoring Rule among participants with arrhythmia

PerformanceArrhythmiaNo arrhythmiaTotal
Rule positive15497512
Rule negative0284284
Total15781796
  • Note: Sensitivity = 100% (95 % confidence interval [CI] 78.2%–100%), positive likelihood ratio = 1.57 (95% CI 1.49–1.66), positive predictive value = 2.9% (95% CI 1.7%–4.8%), specificity = 36.4% (95% CI 33.0%–39.6%), negative likelihood ratio = 0.0, negative predictive value = 100% (98.7%–100%).