What type of study is this?

This is a Cross-Sectional Study study (also classified as: Content Analysis).

September 18, 2025JMIR Formative ResearchOpen Access

Quality and Reliability of Transarterial Chemoembolization Videos on TikTok and Bilibili: Cross-Sectional Content Analysis Study

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Cross-sectional content analysis reveals low quality of TACE-related videos on TikTok and Bilibili, suggesting improvements needed.

Quality assessments showed low average Global Quality Scores of 2.31 on TikTok and 2.48 on Bilibili.
Reliability evaluated using the DISCERN tool resulted in average scores of 1.86 on TikTok and 2.00 on Bilibili.
Factors influencing video quality include the number of saves and days since publication, both closely related to video reliability.
Short videos on TikTok, despite higher popularity, present low-quality health information compared to Bilibili.

Niu et al. (2025) studied this question.

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