129 7 Figure 2. The mean number of swallows for all patients (A) and for patients based on treatment modality (B) The black solid lines represent the linear mixed model outcomes of the final model, and the gray striped lines represent the raw data. The mean number of swallows for healthy subjects is 3.68 swallows, and the cut-off value (≥2 times the standard deviation of healthy subjects (8 swallows)) is indicated by the horizontal gray dotted line