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Development and Validity Assessment of a Self-evaluation Questionnaire for Functional Dyspepsia: A Multicenter Prospective Study in Korea

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Author(s)
Kyoungwon JungHye-Kyung JungJoong Goo KwonChung Hyun TaeKi Bae BangJong Kyu ParkJu Yup LeeCheol Min ShinJung Hwan OhKyung Ho SongOh Young LeeMyung-Gyu Choi
Keimyung Author(s)
Lee, Ju Yup
Department
Dept. of Internal Medicine (내과학)
Journal Title
J Neurogastroenterol Motil
Issued Date
2022
Volume
28
Issue
1
Keyword
DyspepsiaPatient outcome assessmentSurveys and questionnairesValidation study
Abstract
Background/Aims:
Patient-reported outcomes (PROs) are essential for clinical decision making, conduction of clinical research, and drug application acquisition in functional gastrointestinal disorders. The aim of this study is to develop a PRO instrument and to determine the respondents' perception of the efficacy of therapeutic agents for functional dyspepsia (FD).

Methods:
A self-evaluation questionnaire for dyspepsia (SEQ-DYSPEPSIA) was developed and validated through a structured process. The 2-week reproducibility was evaluated, and the construct validity was assessed by correlating the scores of SEQ-DYSPEPSIA (including typical and major FD symptom subscales). Finally, the response to medication was assessed by comparing the changes after 4 weeks of treatment.

Results:
A total of 193 Korean patients (age 48.5 ± 13.6 years, 69.4% women) completed the questionnaire. SEQ-DYSPEPSIA with 11 items had a good internal consistency (alpha = 0.770-0.905) and an acceptable test-retest reliability (intraclass correlation coefficient = 0.733-0.859). The self-evaluation questionnaire (SEQ)-major FD score highly correlated with the postprandial fullness/early satiety domain of the Patient Assessment of Gastrointestinal Symptom Severity Index (correlation coefficient r = 0.741, P < 0.001), Nepean Dyspepsia Index-Korean version (NDI-K) (r = 0.839, P < 0.001), and NDI-K quality of life (r = −0.275 to −0.344, P < 0.001). After medical treatment, decrease in the SEQ-typical FD and SEQ-major FD was significantly greater in the responder group than in nonresponder group (P = 0.019 and P = 0.009, respectively).

Conclusion:
This study suggests that the Korean version of SEQ-DYSPEPSIA has good reliability and validity, and can be a useful PRO measurement tool in patients with FD.
Keimyung Author(s)(Kor)
이주엽
Publisher
School of Medicine (의과대학)
Citation
Kyoungwon Jung et al. (2022). Development and Validity Assessment of a Self-evaluation Questionnaire for Functional Dyspepsia: A Multicenter Prospective Study in Korea. J Neurogastroenterol Motil, 28(1), 111–120. doi: 10.5056/jnm20250
Type
Article
ISSN
2093-0887
Source
https://www.jnmjournal.org/journal/view.html?uid=1736&vmd=Full&
DOI
10.5056/jnm20250
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/44005
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Internal Medicine (내과학)
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