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. 2018 Jul 25;5(1):e000210. doi: 10.1136/bmjgast-2018-000210

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© Author(s) (or their employer(s)) 2018. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

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Study diagram. Of 478 oesophageal HRM studies, EGJOO was diagnosed in 116 patients; the remaining 362 patients were excluded from analysis. Forty-four of these patients had otherwise normal oesophageal motility, with the only HRM finding being EGJOO; 14 had Chicago Classification (CC) citeria for achalasia, 19 had EGJOO plus CC criteria for IEM, 28 had EGJOO plus DES, and 11 had EGJOO plus IEM and DES. DES, diffuse oesophageal spasm; EGJOO, oesophagogastric junction outflow obstruction; HRM, high-resolution manometry; IEM, ineffective oesophageal motility.

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