Cross-cultural adaptation of the VISA-A questionnaire, an index of clinical severity for patients with Achilles tendinopathy, with reliability, validity and structure evaluations

Table 2 Summary of reliability tests of VISA-A-S score

	Pearson's r	ICC	Wilcoxon	Cronbach's alpha
Healthy (n = 15)
Test-retest 1–2	0.88	0.88	0.07
2–3	0.99	0.99	0.32
1–3	0.90	0.90	0.07
Patients (n = 22) Test-retest 1 week	0.89	0.89	0.051
Patients (n = 51) Internal consistency				0.77

ISSN: 1471-2474