Table 2 Confusion matrix showing results for all analysed 90-s windows based on the CW2’s PPG algorithm in comparison to a Holter reference across 24 h

From: Ambulatory atrial fibrillation detection and quantification by wristworn AI device compared to standard holter monitoring

 

Holter: AF

Holter: non-AF/NSR

Total

CW2-PPG: AF

3898

934

4832

CW2-PPG: NSR

65

51884

51949

Total

3963

52818

56781

  1. CW2-PPG CardioWatch 287-2’s PPG-based AF algorithm; PPG photoplethysmography, AF atrial fibrillation, NSR normal sinus rhythm, non-AF not atrial fibrillation.
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