Table 4.

Frequency of themes based on LDA topic model results. Individual posts were deemed to mention a topic if more than 15% of the words in the post were attributed to the topic.

Themes	n of posts	% of posts
No theme assigned	26 485	25
At least 1 theme assigned	79 772	75
Burden of perianal fistula	21 294	20
Challenges associated with treatment	30 746	29
Online information seeking and sharing	69 792	66
Patient experiences with treatments	29 666	28
More than 1 theme assigned	48 396	46
Total	106 257	100