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Table 5 Site-specific accuracy of the best-performing algorithms

From: Validation of an algorithm based on administrative data to detect new onset of atrial fibrillation after cardiac surgery

Study sites Sensitivity % (95% CI) Specificity % (95% CI) PPV % (95% CI) NPV % (95% CI)
Panel A – Site-specific accuracy of the algorithm achieving the highest overall PPV (Algorithm 6)
 UHC A 61.5 (54.3–68.7) 88.9 (85.3–92.4) 75.9 (68.8–83.0) 80.2 (75.9–84.4)
 UHC B 78.7 (72.1–85.2) 85.9 (82.2–89.5) 70.7 (63.8–77.6) 90.3 (87.1–93.5)
Panel B – Site-specific accuracy of the algorithm achieving highest overall sensitivity (Algorithm 5)
 UHC A 62.6 (55.5–69.8) 87.9 (84.2–91.5) 74.6 (67.6–81.7) 80.5 (76.2–84.7)
 UHC B 79.3 (72.9–85.8) 84.4 (80.6–88.3) 68.8 (61.9–75.7) 90.4 (87.2–93.6)
  1. Abbreviations: CI Confidence interval, PPV Positive predictive value, NPV Negative predictive value