Real-World Accuracy of Wearable Activity Trackers for Detecting Medical Conditions: Systematic Review and Meta-Analysis

Figures

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  Figure 1. PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) flow diagram.

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  Figure 2. Meta-analysis of accuracy, sensitivity, AUC, and specificity of wearable activity trackers for detection of COVID-19. AUC: area under the curve.

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  Figure 3. Overview of sensitivity and specificity for the different devices for COVID-19 detection.

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  Figure 4. Meta-analysis of PPV, sensitivity, and specificity of wearable activity trackers for detection of AF and AR. AF: atrial fibrillation; AR: arrhythmia; PPV: positive predictive value.

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  Figure 5. Meta-analyses of sensitivity and specificity of wearable activity trackers for detection for fall detection.