Figure 2From: Comparability of localization data in transnasal and transoral esophagogastroduodenoscopy Graphic depiction of the correlation between measurement points obtained with transoral esophagogastroduodenoscopy (TOG) and transnasal esophagogastroduodenoscopy (TNG): the regression line. The regression line is described by the equation TOG (cm) = 0.914 × TNG (cm) - 1.115 or after correction as follows TOG (cm) = 0.89 × TNG (cm).Back to article page