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. 2018 Apr 5;7(8):e008585. doi: 10.1161/JAHA.118.008585

Table 3.

Diagnostic Test Results of Facial and Fingertip Photoplethysmography in Detecting AF

Variable Facial Photoplethysmography Fingertip Photoplethysmography
Estimate 95% CI Estimate 95% CI
Sensitivity, % 94.7 87.1–97.9 94.7 87.1–97.9
Specificity, % 95.8 91.1–98.1 93.0 87.5–96.1
Positive predictive value, % 92.2 84.4–96.3 87.7 79.6–92.8
Negative predictive value, % 97.1 92.9–98.9 97.1 92.7–98.9
Positive likelihood ratio 22.4 10.2–49.1 13.4 7.4–24.5
Negative likelihood ratio 0.06 0.02–0.15 0.06 0.02–0.15
Diagnostic odds ratio 402.3 109.9–1472.3 234.3 70.9–773.9
Prevalence, % 34.6 28.3–41.3 34.6 28.3–41.3
Cohen's κ coefficient 0.90 0.84–0.96 0.86 0.79–0.93
Predictive accuracy, %a 95.4 93.5

AF indicates atrial fibrillation; and CI, confidence interval.

a

The sum of true positives and true negatives divided by the total number of tests.