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Article: Validation of the International Prostate Symptoms Score in Chinese males and females with lower urinary tract symptoms

TitleValidation of the International Prostate Symptoms Score in Chinese males and females with lower urinary tract symptoms
Authors
Issue Date2014
PublisherBioMed Central Ltd. The Journal's web site is located at http://www.hqlo.com/home/
Citation
Health and Quality of Life Outcomes, 2014, v. 12 n. 1, p. Article no. 1 How to Cite?
AbstractObjectives To evaluate the translation of the IPSS (Hong Kong Chinese version 1) and to assess the applicability, validity, reliability and sensitivity of the instrument in both males and females with LUTS in Chinese population. Methods The translation of the IPSS (Hong Kong Chinese version 1) was reviewed through back translation. Modifications were made, resulting in the development of The IPSS (Hong Kong Chinese version 2). The content validity was assessed by contend validity index. 233 subjects with LUTS were recruited in Hong Kong primary care settings for pilot psychometric testing. The construct validity was assessed by corrected item-total correlation and Pearson’s correlation test against ICIQ-UI SF, IIQ-7 and SF-12 v2. The reliability was assessed by the internal consistency (Cronbach’s Alpha coefficient) and test –retest reliability (Intraclass correlation coefficient). The Sensitivity was determined by performing known group comparisons by independent T-test. Results The content validity index for all items could reach 1. Corrected item-total correlation scores were ≥0.4 for four symptom questions (feeling of incomplete bladder emptying, intermittency, weak stream and straining). Overall, the total symptom score moderately correlated with ICIQ-UI SF. The quality of life score moderately correlated with the IIQ-7 but weakly correlated with SF-12 v2. Overall, the reliability of the IPSS (Hong Kong Chinese version 2) was acceptable (Cronbach’s Alpha coefficient = 0.71, ICC of the symptom questions =0.8, ICC of the quality of life question =0.7). The symptoms questions and quality of life questions of the IPSS (Hong Kong Chinese versions 2) were sensitive in detecting differences between groups. Conclusions The IPSS (Hong Kong Chinese version 2) is a valid, reliable and sensitive measure to assess Chinese females and males with lower urinary tract symptoms. The IPSS quality of life question is more sensitive than the generic quality of life measure to differentiate subgroups.
Persistent Identifierhttp://hdl.handle.net/10722/193871
ISSN
2015 Impact Factor: 2.212
2015 SCImago Journal Rankings: 1.020
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorCHOI, PH-
dc.contributor.authorLam, CLK-
dc.contributor.authorChin, WY-
dc.date.accessioned2014-01-28T06:30:20Z-
dc.date.available2014-01-28T06:30:20Z-
dc.date.issued2014-
dc.identifier.citationHealth and Quality of Life Outcomes, 2014, v. 12 n. 1, p. Article no. 1-
dc.identifier.issn1477-7525-
dc.identifier.urihttp://hdl.handle.net/10722/193871-
dc.description.abstractObjectives To evaluate the translation of the IPSS (Hong Kong Chinese version 1) and to assess the applicability, validity, reliability and sensitivity of the instrument in both males and females with LUTS in Chinese population. Methods The translation of the IPSS (Hong Kong Chinese version 1) was reviewed through back translation. Modifications were made, resulting in the development of The IPSS (Hong Kong Chinese version 2). The content validity was assessed by contend validity index. 233 subjects with LUTS were recruited in Hong Kong primary care settings for pilot psychometric testing. The construct validity was assessed by corrected item-total correlation and Pearson’s correlation test against ICIQ-UI SF, IIQ-7 and SF-12 v2. The reliability was assessed by the internal consistency (Cronbach’s Alpha coefficient) and test –retest reliability (Intraclass correlation coefficient). The Sensitivity was determined by performing known group comparisons by independent T-test. Results The content validity index for all items could reach 1. Corrected item-total correlation scores were ≥0.4 for four symptom questions (feeling of incomplete bladder emptying, intermittency, weak stream and straining). Overall, the total symptom score moderately correlated with ICIQ-UI SF. The quality of life score moderately correlated with the IIQ-7 but weakly correlated with SF-12 v2. Overall, the reliability of the IPSS (Hong Kong Chinese version 2) was acceptable (Cronbach’s Alpha coefficient = 0.71, ICC of the symptom questions =0.8, ICC of the quality of life question =0.7). The symptoms questions and quality of life questions of the IPSS (Hong Kong Chinese versions 2) were sensitive in detecting differences between groups. Conclusions The IPSS (Hong Kong Chinese version 2) is a valid, reliable and sensitive measure to assess Chinese females and males with lower urinary tract symptoms. The IPSS quality of life question is more sensitive than the generic quality of life measure to differentiate subgroups.-
dc.languageeng-
dc.publisherBioMed Central Ltd. The Journal's web site is located at http://www.hqlo.com/home/-
dc.relation.ispartofHealth and Quality of Life Outcomes-
dc.rightsHealth and Quality of Life Outcomes. Copyright © BioMed Central Ltd.-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleValidation of the International Prostate Symptoms Score in Chinese males and females with lower urinary tract symptoms-
dc.typeArticle-
dc.identifier.emailLam, CLK: clklam@hku.hk-
dc.identifier.emailChin, WY: chinwy@hku.hk-
dc.identifier.authorityLam, CLK=rp00350-
dc.identifier.authorityChin, WY=rp00290-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1186/1477-7525-12-1-
dc.identifier.pmid24382363-
dc.identifier.scopuseid_2-s2.0-84891682806-
dc.identifier.hkuros227554-
dc.identifier.volume12-
dc.identifier.issue1-
dc.identifier.spageArticle no. 1-
dc.identifier.epageArticle no. 1-
dc.identifier.isiWOS:000330116100001-
dc.publisher.placeUnited Kingdom-

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