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. 2023 Nov 2;30(10):1748–1758. doi: 10.1093/ibd/izad247

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© 2023 Crohn’s & Colitis Foundation. Published by Oxford University Press on behalf of Crohn’s & Colitis Foundation.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — (A) The most frequently discussed themes in flare-related posts by patients with ulcerative colitis,^a (B) the most frequently discussed flare-related topics by patients with ulcerative colitis,^a and (C) the top 12 ranked flare-related topics discussed by patients with ulcerative colitis.^b Flare-related posts, including those from the same author pre- and postflare, were identified from posts written by patients with ulcerative colitis on 8 online public forums in 6 different countries due to the inclusion of keywords. Data were then mapped semantically. ^aFlare-related post data were color-coded by themes and topics; each node represents a post, and connections represent similar language used across the posts. Centrally located nodes represent core concepts and peripheral nodes represent niche concepts. Percentages represent total volume of posts. ^bTop topic rankings are a result of a combined weighted score of volume (40%), unique authors (20%), negative sentiment (15%), betweenness centrality (15%), and recency (10%). ^cJoint pain and fatigue were analyzed together due to the proportion of posts that mentioned both symptoms (approximately 20% of the 2.4% of posts). C. difficile, Clostridioides difficile.