Rationale and Objectives
We post several times daily on our Facebook page, CTisus, to educate radiology students
and professionals globally. We aimed to determine how our data compared for different
types of posts and ascertain the popularity of videos versus case images, illustrations
versus case images, and whether cinematic rendering performed better than traditional
computed tomography.
Materials and Methods
We exported data for one year's worth of Facebook posts (November 1, 2020 to October
31, 2021) and categorized posts into 18 types. Our primary outcome was popularity
of each post, measured by “reach” and “engagement” counts provided by Facebook.
Results
Among the 9057 posts exported, “just for fun” posts performed the best, followed by
quiz images. Case images performed significantly better than instructional videos
(p < 0.0001). However, the opposite was true for engagement, where instructional videos
performed significantly better than case images (p = 0.0012). For both reach and engagement, case images performed better than medical
illustrations (p < 0.0001). For both reach (p < 0.0005) and engagement (p < 0.0001), traditional computed tomography performed significantly better than cinematic
rendering. All video types had better engagement than case images and medical illustrations
(p < 0.0001) and both had significantly better engagement than text (p < 0.0001).
Conclusion
Our results may help other educators choose what types of content to create and post
on social media to achieve the best impact on learners.
Key Words
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Article info
Publication history
Published online: July 25, 2022
Accepted:
June 27,
2022
Received in revised form:
June 26,
2022
Received:
May 2,
2022
Identification
Copyright
© 2022 The Association of University Radiologists. Published by Elsevier Inc. All rights reserved.
