Keep Notes With A Table

One block owns the whole figure and its caption. Its footnotes collect below the object with independent numbering.

Complete editable source

Setup Required

Source

#deixis-block[
  #figure(caption: [Measurements.])[
    #table(columns: (1fr, 1fr),
      [Sample], [Result],
      [Control], [12.4],
      [Trial], [18.7#deixis-footnote(
        numbering: "a",
      )[Excludes one damaged sample.]],
    )
  ]
]

Output

Keep Notes With A Table, page 1