The Modified Urdu version of International Prostate Symptom Score: A psychometric validation study

The Modified Urdu version of International Prostate Symptom Score: A psychometric validation study

The objective of the current study was to develop an Urdu version of the International Prostate Symptom Score (IPSS-U) and validate it for Pakistani patients suffering from lower urinary tract symptoms (LUTS). IPSS-U was developed by a two-step forward and back translation and to evaluate its psycho...

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Veröffentlicht in:Turkish journal of urology 2018-07, Vol.44 (4), p.335-340
Hauptverfasser: Salman, Muhammad, Khan, Amer Hayat, Sulaiman, Syed Azhar Syed, Hughes, Jeffery, Khan, Junaid Habib, Hussain, Khalid
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Sprache:eng
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Discriminant analysis
General Urology
Quantitative psychology
Urology
Validation studies
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container_end_page 340
container_issue 4
container_start_page 335
container_title Turkish journal of urology
container_volume 44
creator Salman, Muhammad
Khan, Amer Hayat
Sulaiman, Syed Azhar Syed
Hughes, Jeffery
Khan, Junaid Habib
Hussain, Khalid
description The objective of the current study was to develop an Urdu version of the International Prostate Symptom Score (IPSS-U) and validate it for Pakistani patients suffering from lower urinary tract symptoms (LUTS). IPSS-U was developed by a two-step forward and back translation and to evaluate its psychometric properties, a prospective study involving patients suffering from LUTS (n=267) was conducted at Outpatient Urology Department, Mayo Hospital, Lahore, Pakistan. Internal consistency and reproducibility were assessed using Cronbach's alpha and the Intra-Class Correlation Coefficient (ICC). Moreover, exploratory, and confirmatory factor analyses were performed to determine dimensionality of IPSS-U items. Overall reliability of IPSS-U was satisfactory (Cronbach's alpha=0.72, ICC of symptom questions=0.92 and ICC of QOL index=0.75). Exploratory factor analysis revealed that two factors were consistent, which together explained 59.8% of the variance. IPSS-U items 1, 3, 5 and 6 were components of the first factor whereas item 2, 4 and 7 were components of the second factor. All the items loaded high on their factors and there were no cross loadings. Moreover, confirmatory factor analysis also showed two-factor model, with acceptable fitting patterns. IPSS-U is a valid and reliable non-gender specific instrument to assess the frequency and severity of LUTS in Urdu-speaking population.
doi_str_mv 10.5152/tud.2018.44834
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subjects Discriminant analysis
General Urology
Quantitative psychology
Urology
Validation studies
title The Modified Urdu version of International Prostate Symptom Score: A psychometric validation study
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