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Differences between scores on the anxiety (A) and depression (B) subscales of the HADS and on quality of life (C) of the WHOQOL-BREF in the ERD, NERD, and control groups.
HADS, hospital anxiety and depression scale; WHOQOL-BREF, the abbreviated version of World Health Organization Quality of Life assessment instrument; ERD, erosive gastroesophageal reflux disease; NERD, non-erosive gastroesophageal reflux disease.
