Fig. 1. Results of known-group validity according to the severity of symptoms. The mean scores of the self-evaluation questionnaire (SEQ)-typical functional dyspepsia (FD), Nepean Dyspepsia Index-Korean (NDI-K) dyspepsia subscale, NDI-K total, and Patient Assessment of Gastrointestinal Symptom Severity Index (PAGI-SYM) postprandial fullness/early satiety subscale were significantly different according to the self-reported global severity.
© J Neurogastroenterol Motil
