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Minerva Urology and Nephrology 2022 Sep 12

DOI: 10.23736/S2724-6051.22.04905-9


language: English

Translation and validation of the Chinese version of Wisconsin Stone Quality of Life questionnaire in patients with kidney stones

Wen ZHONG 1, Jiandong XU 1, Giorgio MAZZON 2, Zexian ZHENG 1, Yafang MAOLEI 1, Zhifeng LI 1, Guohua ZENG 1

1 Department of Urology and Guangdong Key Laboratory of Urology, First affiliated Hospital of Guangzhou Medical University, Guangzhou, China; 2 Department of Urology, San Bassiano Hospital, Bassano del Grappa, Vicenza, Italy


BACKGROUND: Wisconsin Stone Quality of Life (WISQOL) has been designed specifically for patients with kidney stones. The present study aimed to develop the Chinese version of WISQOL and reach its validation.
METHODS: The WISQOL was translated into Chinese following a standard procedure. Kidney stone patients admitted for surgical treatment were enrolled and fulfilled both WISQOL and SF-36 on the admission day and at one month post-operatively. The internal consistency, inter-domain correlation and convergent validity were analysed.
RESULTS: 124 males and 76 females were enrolled. The total WISQOL score and SF-36 had significant correlation both pre-operatively (r=0.772, p<0.01) and post-operatively (r=0.639, p<0.01). The internal consistency of the Chinese version WISQOL’s different domains ranged from 0.766 to 0.959. The value of Spearman rank correlation to assess the convergent validity of different domains ranged from 0.444 to 0.687. The postoperative WISQOL raised about 20% showing a better quality of life.
CONCLUSIONS: The Chinese version of WISQOL questionnaire was a reliable tool to evaluate the health quality of life in Chinese-speaker patients with kidney stones. To evaluate its test-retest reliability, reliability and validity in a longer term, further studies are required.

KEY WORDS: Urolithiasis; Kidney stone; Quality of life; WISQOL

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