Pharyngeal Electrical Stimulation for Treatment of Poststroke Dysphagia: Individual Patient Data Meta-Analysis of Randomised Controlled Trials

Figure 1

Box and whisker plot of change in penetration aspiration score from baseline to two weeks, by source trial. Comparison of pharyngeal electrical stimulation (PES) versus no PES by multiple linear regression with adjustment, overall mean difference −0.9 (95% confidence interval −1.7, −0.1; ); no difference between trials ().