[Chronic Ankle Instability in the Digital Space: An Analysis of German Online Resources]

The quality of websites containing medical content is becoming increasingly important as the Internet is a major source of information on health issues and can influence the course of a disease. This study analysed 250 websites on chronic ankle instability, which affects 40% of patients after acute ankle sprain. Based on the results, a guide for patients was developed.The EQIP36 score for medical information materials, along with a 25-item evaluation tool, was used to evaluate the quality of the websites. The reading level was determined by the Flesch-Kincaid index and the calculated readability. A survey of medical laypersons and specialists was conducted to further analyse the top 3 websites.Out of 250 websites surveyed, 42 were included in the analysis, with significant differences in quality observed. None of the websites adequately fulfilled the quality requirements. Websites affiliated with health system sources predominated and demonstrated higher quality, whereas commercially operated sites, as well as those with advertising or links to social media, showed below-average content completeness. None of the websites reached the recommended reading level. The survey showed a mixed level of satisfaction. Participants without prior medical knowledge criticised the use of medical jargon and the inclusion of distressing surgical images.The available online resources for ankle instability are insufficient in quality and lack consistency. Deficits in content, readability and structure impair effective use by patients. Stakeholders involved in publishing health information should prioritise improving its clarity and quality to better support patients in self-managing their health conditions.