Abstract
Introduction and purpose VISA-P questionnaire assesses to severity of symptoms and treatment effects in athletes with patellar tendinopathy. The purpose of this study was to translated VISA-P questionnaire into Turkish language and to determine its validity and reliability.MethodsThe English version of VISA-P questionnaire was translated into Turkish according to the internationally recommended guidelines. Test–retest reliability was determined on 89 participants with time interval 24 h. To determine validity of Turkish VISA-P, 31 (17 male, 14 female) healthy students, 34 (20 male, 14 female) patients with patellar tendinopathy (diagnosed by physical examination and ultrasonography) and 24 (16 male, 8 female) volleyball players (at risk populations) were completed VISA-P-Tr. Internal consistency was determined with Cronbach’s alpha. Intraclass correlation coefficients (ICCs) were calculated to analyse test–retest reliability. To assessment of discrimination, VISA-P-Tr scores compared all groups using the Mann–Whitney-U test.Results The VISA-P-Tr questionnaire showed good test–retest reliability (The Cronbach’s alpha was 0.79 and 0.78 respectively and ICC was 0.96). The VISA-P-Tr score (mean ± SD) were 93.7 ± 8.9 and 94.0 ± 8.1 for healthy students, 81.1 ± 13.7 and 80.7 ± 13.4 for volleyball players, 58.8 ± 12.1 and 58.5 ± 11.0 for athletes with patellar tendinopathy.ConclusionThe translated Turkish version of VISA-P has good internal consistency and good reliability and validity. Therefore VISA-P-Tr is useful to evaluate symptoms and follow the treatment effect in athletes with patellar tendinopathy.
Highlights
Introduction and purposeVISA-P questionnaire assesses to severity of symptoms and treatment effects in athletes with patellar tendinopathy
Cross cultural adaptations The English version of VISA-P questionnaire was translated into Turkish according to the internationally recommended guidelines (Beaton et al 2000; Sperber 2004)
Known group validity was demonstrated by significantly lower scores for tendinopathy group compared healthy and at risk group (p < 0.05) (Table 2)
Summary
VISA-P questionnaire assesses to severity of symptoms and treatment effects in athletes with patellar tendinopathy. The purpose of this study was to translated VISA-P questionnaire into Turkish language and to determine its validity and reliability. Patellar tendinopathy ( known as jumpers knee) is common injury in athletes especially running and jumping athletes, such as volleyball players, basketball players and track and field athletes (Khan 1998; Kongsgaard et al 2009; Van Der Worp et al 2011). Patellar tendinopathy prevalence is especially high among these athletes (Lian et al 2005). Physical examination and ultrasound can be used for diagnosis and evaluation of to severity of symptoms but good correlation may not always be obtained. Valid and reliable tools are required for clinical use to evaluate for severity of symptoms, Çelebi et al SpringerPlus (2016) 5:1453
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