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. 2022 Jan 14;17:155–164. doi: 10.2147/COPD.S327994

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© 2022 Lalmolda et al.

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Respiratory muscle unloading measured by median maximum value of parasternal EMG (root mean square) for both groups of ventilators (p <0.001 between groups, Mann Whitney U-test). Baseline activity was taken as the reference.