Abstract
Gastrointestinal (GI) bleeding is a significant clinical issue that is commonly discussed on social media platforms. Despite the widespread availability of health information videos, the quality and comprehensiveness of these videos vary greatly, posing potential risks to public health. This study evaluates the content and quality of GI bleeding-related videos on TikTok, Bilibili, and YouTube. A total of 300 GI bleeding-related videos were collected and analyzed from TikTok, Bilibili, and YouTube. The videos were categorized based on the uploader's background (health professionals vs. non-health professionals). Key metrics such as likes, comments, video duration, and quality scores (GQS, JAMA, and modified DISCERN) were compared. Simultaneously, the content of the videos was analyzed across six aspects: definition, symptoms, risk factors, tests, treatment, and outcomes. A total of 300 GI bleeding-related videos were analyzed, with 196 (65.3%) uploaded by health professionals and 104 (34.7%) by non-health professionals. TikTok videos received significantly more likes and comments but were shorter in duration compared to those on Bilibili and YouTube (p < 0.05). The overall quality and reliability of the videos were relatively low, with median DISCERN and GQS scores of 2 (IQR: 2-3) and 3 (IQR: 2-3), respectively. Videos from health professionals exhibited higher reliability and quality, with median DISCERN scores of 3 (IQR: 3-4) and GQS scores of 3 (IQR: 3-4). The overall quality and comprehensiveness of GI bleeding-related videos on social media platforms are unsatisfactory, with many low-quality videos still prevalent. Although videos from health professionals score higher in quality and reliability, their content comprehensiveness is not significantly better than those from non-health professionals. Efforts should be intensified to improve the content and quality of GI bleeding videos, raise public awareness, and promote patient self-management.