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. Author manuscript; available in PMC: 2019 Feb 1.

Published in final edited form as: Dysphagia. 2017 Aug 30;33(1):100–108. doi: 10.1007/s00455-017-9838-7

Three curvilinear models for (A) cracker (n=825), (B) applesauce (n=824), (C) thin liquid (n=824) residue ratings to represent the relationship between each visual analog scale (VAS) rating and its counterpart on the ordinal rating scale. Each blue circle is a data point and the 95% confidence limits of the model is indicated by the tight light blue shading along the regressions line. The grey lines are the upper thresholds of 1 standard deviation from all clinician ratings of that cluster of videos.

Three curvilinear models for (A) cracker (n=825), (B) applesauce (n=824), (C) thin liquid (n=824) residue ratings to represent the relationship between each visual analog scale (VAS) rating and its counterpart on the ordinal rating scale. Each blue circle is a data point and the 95% confidence limits of the model is indicated by the tight light blue shading along the regressions line. The grey lines are the upper thresholds of 1 standard deviation from all clinician ratings of that cluster of videos.