Table 4.

Diagnostic measures of the system combining monitoring with an automated PPG-based algorithm together with the 6-lead wearable ECG confirmation.

Measure	AF vs. stable SR group (n = 216)	AF vs. both SR groups including frequent PVCs/PACs (n 344)
Sensitivity (%), (95% CI)	94.2 (88.4–97.6)	94.2 (88.4–97.6)
Specificity (%), (95% CI)	100 (96.2–100)	99.6 (97.5–100)
Accuracy (%), (95% CI)	99.9 (98.2–100)	99.5 (98.0–100)
LR (+), (95% CI)	-	210.10 (29.71–1485.76)
LR (-), (95% CI)	0.06 (0.03–0.12)	0.06 (0.03–0.12)

AF, atrial fibrillation; SR, sinus rhythm; PVC, premature ventricular contraction; PAC, premature atrial contraction; LR (+), positive likelihood ratio; LR (-), negative likelihood ratio.