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Fig. 3 | Critical Care

Fig. 3

From: Airway pressure morphology and respiratory muscle activity during end-inspiratory occlusions in pressure support ventilation

Fig. 3

Expiratory muscle activity at different levels of assist. a Number of occlusions with expiratory muscle activity present or not, at three different levels of assist. b Magnitude of expiratory muscle activity, as indicated by the rise of gastric pressure (Pga) after occlusion, at three levels of assist (only in cases with expiratory muscle activity). Box: interquartile range, whiskers: 5–95 range, line at median, *p < 0.05 for assist level > 10 vs 8–10 cmH2O, p < 0.0001 for assist level > 10 vs < 8 cmH2O

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Critical Care

ISSN: 1364-8535