Our previous data found that EMG di expressed as a function of tidal volume (ΔEMG di /V T ) has higher discriminative power during the challenge test than ΔEMG di alone in adults, although it failed to reach statistical significance. 17 However, there was an opposite trend in children’s data, which showed the ROC area from ΔEMG di was higher than that from ΔEMG di /V T .
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Bronchodilator Response Assessed by Surface Respiratory Muscle EMG in Children.
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