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Reliability and validity of the national institute of health chronic prostatitis symptom index quastionnaire in Turkish Population.

PMID: 32927926 (view PubMed database entry)
DOI: 10.3906/sag-2001-231 (read at publisher's website )

Alper CoŞkun, Utku Can, Fatİh Tarhan, ÖvÜnÇ KavukoĞlu, Kamİl Fehmİ Narter,

BACKGROUND/AIM:To develop the first Turkish version of the National Institute of Health Chronic Prostatitis Symptom Index Questionnaire?(NIH-CPSI) and to investigate its validity and reliability in men with chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) and healthy controls. MATERIAL AND METHODS:A total of 204 patients, 116 CP/CPPS and control group, which 88 healthy individuals join, were included in this prospective study. The NIH-CPSI form was first translated into Turkish and later on back to English. By using the Turkish version of the NIH CPSI, 40 patients completed the same questionnaires twice at 2-weeks intervals for test-retest concordance. To evaluate internal consistency and test-retest reliability, cronbach alpha value, the Spearman correlation test were utilized respectively. RESULTS:Our findings demonstrated statistically significant differences in NIH-CPSI scores between the patients and control groups cases (p<0.001). Cronbach?s alpha coefficient value of NIH-CPSI was 0,864. Reliability of test-retest was 0.909 (p<0.001). Additionally, Spearman correlation test has shown that the results obtained by Turkish NIH-CPSI were significantly correlated. CONCLUSION:The first Turkish version of the NIH-CPSI was found to be a reliable and valid instrument for Turkish patients with chronic prostatitis in the clinical and research settings.

Turk J Med Sci (Turkish journal of medical sciences)
[2020, :]

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