
#table(
    rows: 10,
    columns: 5,
    column-gutter: 0.25em,
    align: (left, left, left, center, center),
    stroke: none,
    table.hline(y: 0, stroke: 1pt),
    [],
    [],
    [],
    table.cell(colspan: 2)[*Group 3*],
    table.hline(y: 1, start: 3, end: 5, stroke: 0.75pt),
    [*Group 1*],
    [*group2*],
    [],
    [c],
    [d],
    table.hline(y: 2, stroke: 0.75pt),
    table.cell(rowspan: 4)[a],
    table.cell(rowspan: 2)[e],
    [*mean*],
    [1],
    [3],
    [*std*],
    [NaN],
    [NaN],
    table.cell(rowspan: 2)[f],
    [*mean*],
    [2],
    [4],
    [*std*],
    [NaN],
    [NaN],
    table.cell(rowspan: 4)[b],
    table.cell(rowspan: 2)[e],
    [*mean*],
    [5],
    [7],
    [*std*],
    [NaN],
    [NaN],
    table.cell(rowspan: 2)[f],
    [*mean*],
    [6],
    [8],
    [*std*],
    [NaN],
    [NaN],
    table.hline(y: 10, stroke: 1pt),
)
