Elbow flexion enables rescuers with low BMI to deliver chest compressions in compliance with CPR guideline recommendations.

Sci Rep · 2026 · PMC13013621 · PMID 41708689

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did not reach statistical significancep > 0.05actually significant

In contrast, when post-CPR heart rate was used as an objective proxy for physical fatigue, the regression model did not reach statistical significance ( F (2,66) = 2.81, p > 0.05), and neither predictor showed a significant association.

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