CDC footnote symbols in gtsummary (adjust footnote numeric symbols to other in gtsummary object)

Question

I have not been able to find any resources on changing the footnote symbols from the standard numeric format from gtsummary.

I daresay this question doesn't need code?

trial %>%tbl_summary

I have used the set_caption from flextable as a workaround but it is SO cumbersome.

CDC footnote symbols:

Footnotes

Use the following symbols in the order shown to indicate footnotes:

*, †, ‡, §, ¶, #. If the table requires >6 footnotes, use double (e.g., **, ††) symbols. No space is used between a footnote symbol and the footnote. Place a period at the end of each footnote.

I also don't mind just converting the symbols manually without a helper function, just not perfectly sure where they are stored in the gtsummary object.

Carl · Accepted Answer · 2024-05-02 13:21:42Z

3

For the marks, you could use gt::opt_footnote_marks:

(gt::opt_footnote_spec provides options for formatting.)

library(gtsummary)

trial %>% 
  tbl_summary() %>%
  as_gt() %>%
  # gt::opt_footnote_marks(marks = "extended")
  gt::opt_footnote_marks(marks = c("*", "†", "‡", "§", "¶", "#"))

^{Created on 2024-05-02 with reprex v2.1.0}

edited May 2, 2024 at 13:21

answered May 2, 2024 at 13:16

Carl

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