Reliability and validity of the National Institutes of Health: Chronic Prostatitis Symptom Index in a Malaysian population
The objective of the study is to determine the short- and long-term utility of the Chinese, Malay and English versions of the National Institutes of Health--Chronic Prostatitis Symptom Index (NIH-CPSI) in our ethnically diverse population. The NIH-CPSI was translated into Chinese and Malay, and then...
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| Veröffentlicht in: | World journal of urology 2006-02, Vol.24 (1), p.79-87 |
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| creator | Cheah, Phaik Yeong Liong, Men Long Yuen, Kah Hay Lee, Shaun Yang, Jin Rong Teh, Chu Leong Khor, Timothy Yap, Hin Wai Krieger, John N |
| description | The objective of the study is to determine the short- and long-term utility of the Chinese, Malay and English versions of the National Institutes of Health--Chronic Prostatitis Symptom Index (NIH-CPSI) in our ethnically diverse population. The NIH-CPSI was translated into Chinese and Malay, and then verified by back translation into English. Subjects included 100 new chronic prostatitis/chronic pelvic pain (CP/CPPS) patients, 71 new benign prostatic hyperplasia patients and 97 healthy individuals. Reliability was evaluated with test-retest reproducibility (TR) by calculating intraclass correlation coefficients (ICC). Internal consistency was evaluated by calculating Cronbach's alpha (alpha). Validity assessments included discriminant and construct validity. (Presented in the order of Chinese, Malay then English). ICC values for short-term (1 week) TR were 0.90, 0.80 and 0.89, while ICC values for long-term (14 weeks) TR were 0.54, 0.61 and 0.61. Cronbach's alpha values were 0.63, 0.62 and 0.57. The NIH-CPSI total score discriminated CP/CPPS patients (P |
| doi_str_mv | 10.1007/s00345-005-0037-z |
| format | Article |
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The NIH-CPSI was translated into Chinese and Malay, and then verified by back translation into English. Subjects included 100 new chronic prostatitis/chronic pelvic pain (CP/CPPS) patients, 71 new benign prostatic hyperplasia patients and 97 healthy individuals. Reliability was evaluated with test-retest reproducibility (TR) by calculating intraclass correlation coefficients (ICC). Internal consistency was evaluated by calculating Cronbach's alpha (alpha). Validity assessments included discriminant and construct validity. (Presented in the order of Chinese, Malay then English). ICC values for short-term (1 week) TR were 0.90, 0.80 and 0.89, while ICC values for long-term (14 weeks) TR were 0.54, 0.61 and 0.61. Cronbach's alpha values were 0.63, 0.62 and 0.57. The NIH-CPSI total score discriminated CP/CPPS patients (P<0.001) from the control groups with receiver operating curve values of 0.95, 0.98 and 0.94, respectively. Construct validity, reflected by the correlation coefficient values between the International Prostate Symptom Score and the NIH-CPSI of CP/CPPS patients were 0.72, 0.49 and 0.63 (all P<0.05). The Chinese, Malay and English versions of the NIH-CPSI each proved effective in our population. Short-term TR and discriminant validity were excellent for all three versions. However, long-term TR was only moderate, which might reflect variation in patients' perceptions of symptoms over time.</description><identifier>ISSN: 0724-4983</identifier><identifier>EISSN: 1433-8726</identifier><identifier>DOI: 10.1007/s00345-005-0037-z</identifier><identifier>PMID: 16465553</identifier><language>eng</language><publisher>Germany: Springer Nature B.V</publisher><subject>Adult ; Asian Continental Ancestry Group - statistics & numerical data ; Case-Control Studies ; Chronic Disease ; European Continental Ancestry Group - statistics & numerical data ; Health Status Indicators ; Humans ; Male ; Middle Aged ; National Institutes of Health (U.S.) ; Pelvic Pain - diagnosis ; Pelvic Pain - ethnology ; Probability ; Prostatic Hyperplasia - diagnosis ; Prostatic Hyperplasia - ethnology ; Prostatitis - diagnosis ; Prostatitis - ethnology ; Reference Values ; Reproducibility of Results ; ROC Curve ; Sensitivity and Specificity ; Syndrome ; United States - epidemiology</subject><ispartof>World journal of urology, 2006-02, Vol.24 (1), p.79-87</ispartof><rights>Springer-Verlag 2006</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c392t-835ad40bf0d5445e449c5715ad7fe688cb8e01869c20ff7f2ce63b59b04099043</citedby><cites>FETCH-LOGICAL-c392t-835ad40bf0d5445e449c5715ad7fe688cb8e01869c20ff7f2ce63b59b04099043</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16465553$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Cheah, Phaik Yeong</creatorcontrib><creatorcontrib>Liong, Men Long</creatorcontrib><creatorcontrib>Yuen, Kah Hay</creatorcontrib><creatorcontrib>Lee, Shaun</creatorcontrib><creatorcontrib>Yang, Jin Rong</creatorcontrib><creatorcontrib>Teh, Chu Leong</creatorcontrib><creatorcontrib>Khor, Timothy</creatorcontrib><creatorcontrib>Yap, Hin Wai</creatorcontrib><creatorcontrib>Krieger, John N</creatorcontrib><title>Reliability and validity of the National Institutes of Health: Chronic Prostatitis Symptom Index in a Malaysian population</title><title>World journal of urology</title><addtitle>World J Urol</addtitle><description>The objective of the study is to determine the short- and long-term utility of the Chinese, Malay and English versions of the National Institutes of Health--Chronic Prostatitis Symptom Index (NIH-CPSI) in our ethnically diverse population. The NIH-CPSI was translated into Chinese and Malay, and then verified by back translation into English. Subjects included 100 new chronic prostatitis/chronic pelvic pain (CP/CPPS) patients, 71 new benign prostatic hyperplasia patients and 97 healthy individuals. Reliability was evaluated with test-retest reproducibility (TR) by calculating intraclass correlation coefficients (ICC). Internal consistency was evaluated by calculating Cronbach's alpha (alpha). Validity assessments included discriminant and construct validity. (Presented in the order of Chinese, Malay then English). ICC values for short-term (1 week) TR were 0.90, 0.80 and 0.89, while ICC values for long-term (14 weeks) TR were 0.54, 0.61 and 0.61. Cronbach's alpha values were 0.63, 0.62 and 0.57. The NIH-CPSI total score discriminated CP/CPPS patients (P<0.001) from the control groups with receiver operating curve values of 0.95, 0.98 and 0.94, respectively. Construct validity, reflected by the correlation coefficient values between the International Prostate Symptom Score and the NIH-CPSI of CP/CPPS patients were 0.72, 0.49 and 0.63 (all P<0.05). The Chinese, Malay and English versions of the NIH-CPSI each proved effective in our population. Short-term TR and discriminant validity were excellent for all three versions. However, long-term TR was only moderate, which might reflect variation in patients' perceptions of symptoms over time.</description><subject>Adult</subject><subject>Asian Continental Ancestry Group - statistics & numerical data</subject><subject>Case-Control Studies</subject><subject>Chronic Disease</subject><subject>European Continental Ancestry Group - statistics & numerical data</subject><subject>Health Status Indicators</subject><subject>Humans</subject><subject>Male</subject><subject>Middle Aged</subject><subject>National Institutes of Health (U.S.)</subject><subject>Pelvic Pain - diagnosis</subject><subject>Pelvic Pain - ethnology</subject><subject>Probability</subject><subject>Prostatic Hyperplasia - diagnosis</subject><subject>Prostatic Hyperplasia - ethnology</subject><subject>Prostatitis - diagnosis</subject><subject>Prostatitis - ethnology</subject><subject>Reference Values</subject><subject>Reproducibility of Results</subject><subject>ROC Curve</subject><subject>Sensitivity and Specificity</subject><subject>Syndrome</subject><subject>United States - epidemiology</subject><issn>0724-4983</issn><issn>1433-8726</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><recordid>eNpdkV1r2zAUhsVoWdJuP2A3RfSid16Pviy7dyW0S6DdSrddC9mWiYpsuZY8mvz6yU1gMIEQkt73gcOD0BcCXwmAvA4AjIsMYN5MZvsPaEk4Y1khaX6CliApz3hZsAU6C-EFgMgcxEe0IDnPhRBsifbPxlldWWfjDuu-wX-0s8188S2OW4O_62h9rx3e9CHaOEUT5q-10S5ub_BqO_re1vhp9CGmaLQB_9x1Q_RdajTmDdsea_yond4Fq3s8-GFy78xP6LTVLpjPx_Mc_b6_-7VaZw8_vm1Wtw9ZzUoas4IJ3XCoWmgE58JwXtZCkvQoW5MXRV0VBkiRlzWFtpUtrU3OKlFWwKEsgbNzdHXgDqN_nUyIqrOhNs7p3vgpqFwmSklJCl7-F3zx05hmD4pSoEVaM40cQnWaOIymVcNoOz3uFAE1W1EHKypZUbMVtU-diyN4qjrT_GscNbC_cK2JMw</recordid><startdate>200602</startdate><enddate>200602</enddate><creator>Cheah, Phaik Yeong</creator><creator>Liong, Men Long</creator><creator>Yuen, Kah Hay</creator><creator>Lee, Shaun</creator><creator>Yang, Jin Rong</creator><creator>Teh, Chu Leong</creator><creator>Khor, Timothy</creator><creator>Yap, Hin Wai</creator><creator>Krieger, John N</creator><general>Springer Nature B.V</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7T5</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8AO</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>H94</scope><scope>K9.</scope><scope>M0S</scope><scope>M1P</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope></search><sort><creationdate>200602</creationdate><title>Reliability and validity of the National Institutes of Health: Chronic Prostatitis Symptom Index in a Malaysian population</title><author>Cheah, Phaik Yeong ; 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The NIH-CPSI was translated into Chinese and Malay, and then verified by back translation into English. Subjects included 100 new chronic prostatitis/chronic pelvic pain (CP/CPPS) patients, 71 new benign prostatic hyperplasia patients and 97 healthy individuals. Reliability was evaluated with test-retest reproducibility (TR) by calculating intraclass correlation coefficients (ICC). Internal consistency was evaluated by calculating Cronbach's alpha (alpha). Validity assessments included discriminant and construct validity. (Presented in the order of Chinese, Malay then English). ICC values for short-term (1 week) TR were 0.90, 0.80 and 0.89, while ICC values for long-term (14 weeks) TR were 0.54, 0.61 and 0.61. Cronbach's alpha values were 0.63, 0.62 and 0.57. The NIH-CPSI total score discriminated CP/CPPS patients (P<0.001) from the control groups with receiver operating curve values of 0.95, 0.98 and 0.94, respectively. Construct validity, reflected by the correlation coefficient values between the International Prostate Symptom Score and the NIH-CPSI of CP/CPPS patients were 0.72, 0.49 and 0.63 (all P<0.05). The Chinese, Malay and English versions of the NIH-CPSI each proved effective in our population. Short-term TR and discriminant validity were excellent for all three versions. However, long-term TR was only moderate, which might reflect variation in patients' perceptions of symptoms over time.</abstract><cop>Germany</cop><pub>Springer Nature B.V</pub><pmid>16465553</pmid><doi>10.1007/s00345-005-0037-z</doi><tpages>9</tpages></addata></record> |
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| subjects | Adult Asian Continental Ancestry Group - statistics & numerical data Case-Control Studies Chronic Disease European Continental Ancestry Group - statistics & numerical data Health Status Indicators Humans Male Middle Aged National Institutes of Health (U.S.) Pelvic Pain - diagnosis Pelvic Pain - ethnology Probability Prostatic Hyperplasia - diagnosis Prostatic Hyperplasia - ethnology Prostatitis - diagnosis Prostatitis - ethnology Reference Values Reproducibility of Results ROC Curve Sensitivity and Specificity Syndrome United States - epidemiology |
| title | Reliability and validity of the National Institutes of Health: Chronic Prostatitis Symptom Index in a Malaysian population |
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