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Table 1 Data extracted and parameters evaluated for each selected video

From: Educational value of surgical videos on YouTube: quality assessment of laparoscopic appendectomy videos by senior surgeons vs. novice trainees

Video characteristics Title
Number of visualizations
Upload date and number of days online
Video length (min)
Image quality (poor, good, high definition)
Number of comments
Number of likes
Number of dislikes
Educational content Presence of audio commentary
Presence of written commentary
Description of preoperative data (e.g., patient’s demographic, medical history, diagnostic data, imaging)
GOALS domains Depth perception
Bimanual dexterity
Tissue handling
Overall level of difficulty
Critical view of safety (CVS) criteria
Modified for LA
Appendix exposure
Mesoappendix transection
Appendix division
Technical aspects Patient’s positioning
Trocar placement
Overall quality assessment Overall video quality
Overall video utility for trainees
LAP-VEGaS criteria Authors information and video introduction
Case presentation
Demonstration of the surgical procedure
Outcomes of the procedure
Associated education content
Peer-review of surgical videos
Use of surgical video in educational curricula