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Article: The Hong Kong index of dyspepsia: A validated symptom severity questionnaire for patients with dyspepsia

TitleThe Hong Kong index of dyspepsia: A validated symptom severity questionnaire for patients with dyspepsia
Authors
KeywordsChinese
Dyspepsia
Symptom score
Issue Date2002
PublisherWiley-Blackwell Publishing Asia. The Journal's web site is located at http://www.blackwellpublishing.com/journals/JGH
Citation
Journal Of Gastroenterology And Hepatology, 2002, v. 17 n. 5, p. 545-551 How to Cite?
AbstractAim: Locally validated symptom questionnaires are essential instruments in dyspepsia research. A symptom score for Chinese dyspeptics was developed. Multiple aspects of validity and reliability were assessed. Methods: Sixty-five patients with endoscopy-negative dyspepsia and 65 healthy controls were presented with a list of 24 previously determined common abdominal symptoms and asked to rate the severity in a five point Likert scale. Comprehensibility and relevance of symptoms were assessed. The questionnaire was administered 3 h later to assess for reproducibility. A locally validated Short Form-36 quality-of-life questionnaire was also administered. Cisapride 5 mg thrice daily was prescribed to dyspeptic patients but not to the controls. The dyspepsia symptom and SF-36 questionnaires were repeated after 3 weeks for patients under treatment. Global change in symptoms and the need for further medical care were assessed. Concept, content, construct and criterion validity, consistency and reproducibility of the dyspepsia symptom questionnaire were assessed. Results: All items were considered comprehensible by more than 90% of subjects. Relevance of individual symptoms to dyspeptic patients ranged from 10.8-76.9%. Twelve items were selected by logistic regression to account for most of the differences between control and dyspeptic patients. Test-retest reproducibility and internal consistency were good with the intraclass correlation coefficient of 0.89 and Cronbach's alpha coefficient of 0.90. A cut-off score of equal to or greater than 16 was determined to discriminate between controls and dyspeptic patients. The dyspepsia score correlated negatively with all domains of the SF-36 quality of life scale except physical functioning. The dyspepsia questionnaire also discriminated between patients who reported a subjective improvement in symptoms and those who reported no change or worsening. Conclusions: The dyspepsia symptom index was easy to understand, internally consistent and reproducible. It predicted global symptom change, and the symptom severity scores correlated negatively with quality of life. © 2002 Blackwell Publishing Asia Pty Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/78544
ISSN
2015 Impact Factor: 3.322
2015 SCImago Journal Rankings: 1.190
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorHu, WHCen_HK
dc.contributor.authorLam, KFen_HK
dc.contributor.authorWong, YHen_HK
dc.contributor.authorLam, CLKen_HK
dc.contributor.authorHuii, WMen_HK
dc.contributor.authorLai, KCen_HK
dc.contributor.authorWong, BCYen_HK
dc.contributor.authorLam, SKen_HK
dc.date.accessioned2010-09-06T07:44:03Z-
dc.date.available2010-09-06T07:44:03Z-
dc.date.issued2002en_HK
dc.identifier.citationJournal Of Gastroenterology And Hepatology, 2002, v. 17 n. 5, p. 545-551en_HK
dc.identifier.issn0815-9319en_HK
dc.identifier.urihttp://hdl.handle.net/10722/78544-
dc.description.abstractAim: Locally validated symptom questionnaires are essential instruments in dyspepsia research. A symptom score for Chinese dyspeptics was developed. Multiple aspects of validity and reliability were assessed. Methods: Sixty-five patients with endoscopy-negative dyspepsia and 65 healthy controls were presented with a list of 24 previously determined common abdominal symptoms and asked to rate the severity in a five point Likert scale. Comprehensibility and relevance of symptoms were assessed. The questionnaire was administered 3 h later to assess for reproducibility. A locally validated Short Form-36 quality-of-life questionnaire was also administered. Cisapride 5 mg thrice daily was prescribed to dyspeptic patients but not to the controls. The dyspepsia symptom and SF-36 questionnaires were repeated after 3 weeks for patients under treatment. Global change in symptoms and the need for further medical care were assessed. Concept, content, construct and criterion validity, consistency and reproducibility of the dyspepsia symptom questionnaire were assessed. Results: All items were considered comprehensible by more than 90% of subjects. Relevance of individual symptoms to dyspeptic patients ranged from 10.8-76.9%. Twelve items were selected by logistic regression to account for most of the differences between control and dyspeptic patients. Test-retest reproducibility and internal consistency were good with the intraclass correlation coefficient of 0.89 and Cronbach's alpha coefficient of 0.90. A cut-off score of equal to or greater than 16 was determined to discriminate between controls and dyspeptic patients. The dyspepsia score correlated negatively with all domains of the SF-36 quality of life scale except physical functioning. The dyspepsia questionnaire also discriminated between patients who reported a subjective improvement in symptoms and those who reported no change or worsening. Conclusions: The dyspepsia symptom index was easy to understand, internally consistent and reproducible. It predicted global symptom change, and the symptom severity scores correlated negatively with quality of life. © 2002 Blackwell Publishing Asia Pty Ltd.en_HK
dc.languageengen_HK
dc.publisherWiley-Blackwell Publishing Asia. The Journal's web site is located at http://www.blackwellpublishing.com/journals/JGHen_HK
dc.relation.ispartofJournal of Gastroenterology and Hepatologyen_HK
dc.subjectChineseen_HK
dc.subjectDyspepsiaen_HK
dc.subjectSymptom scoreen_HK
dc.subject.meshAdulten_HK
dc.subject.meshDyspepsia - physiopathologyen_HK
dc.subject.meshFemaleen_HK
dc.subject.meshHumansen_HK
dc.subject.meshMaleen_HK
dc.subject.meshMiddle Ageden_HK
dc.subject.meshQuestionnairesen_HK
dc.subject.meshReproducibility of Resultsen_HK
dc.subject.meshSeverity of Illness Indexen_HK
dc.titleThe Hong Kong index of dyspepsia: A validated symptom severity questionnaire for patients with dyspepsiaen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0815-9319&volume=17&spage=545&epage=551&date=2002&atitle=The+Hong+Kong+index+of+dyspepsia:+A+validated+symptom+severity+questionnaire+for+patients+with+dyspepsiaen_HK
dc.identifier.emailLam, KF: hrntlkf@hkucc.hku.hken_HK
dc.identifier.emailLam, CLK: clklam@hku.hken_HK
dc.identifier.emailWong, BCY: bcywong@hku.hken_HK
dc.identifier.authorityLam, KF=rp00718en_HK
dc.identifier.authorityLam, CLK=rp00350en_HK
dc.identifier.authorityWong, BCY=rp00429en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1046/j.1440-1746.2002.02713.xen_HK
dc.identifier.pmid12084027-
dc.identifier.scopuseid_2-s2.0-0036301964en_HK
dc.identifier.hkuros66904en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0036301964&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume17en_HK
dc.identifier.issue5en_HK
dc.identifier.spage545en_HK
dc.identifier.epage551en_HK
dc.identifier.isiWOS:000176527200006-
dc.publisher.placeAustraliaen_HK
dc.identifier.scopusauthoridHu, WHC=25932937100en_HK
dc.identifier.scopusauthoridLam, KF=8948421200en_HK
dc.identifier.scopusauthoridWong, YH=18938106400en_HK
dc.identifier.scopusauthoridLam, CLK=24755913900en_HK
dc.identifier.scopusauthoridHuii, WM=18935148000en_HK
dc.identifier.scopusauthoridLai, KC=7402135595en_HK
dc.identifier.scopusauthoridWong, BCY=7402023340en_HK
dc.identifier.scopusauthoridLam, SK=7402279473en_HK

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