Fig. 3From: Breath-synchronized electrical stimulation of the expiratory muscles in mechanically ventilated patients: a randomized controlled feasibility study and pooled analysisPooled results for total abdominal expiratory muscle thickness changes over the first 5 days after randomization. On day 3, changes from baseline were different between groups as per a linear mixed model analysis (P = 0.02). Data represent the absolute means ± standard deviationBack to article page