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Annals of Intensive Care
Fig. 3 | Annals of Intensive Care

Fig. 3

From: Use of airway pressure-based indices to detect high and low inspiratory effort during pressure support ventilation: a diagnostic accuracy study

Fig. 3

The negative airway pressure generated during the first 100 ms (P0.1), the maximal negative swing of airway pressure (∆Pocc) against an end-expiratory airway occlusion, and pressure muscle index (PMI) significantly correlated with the inspiratory muscle pressure–time product (PTPmus) per minute (A–C) and the inspiratory muscle pressure (Pmus) (D–F). The results of linear mixed-effects regression, regression line, and corresponding 95% confidence interval (shaded grey area) are shown

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