Figure 2
From: Assessing the role of dryness and burning sensation in diagnosing laryngopharyngeal reflux
Confirmatory factor analysis (standardized measurement model). (a) Reflux symptom score-12(RSS-12), (b) RSS-13; the oval and rectangle represent the latent variable and the measured item, respectively; e1 to e13 represent the residual terms of the measure term; the numbers on the arrows are the standardized factor loading values.
