Graphics, Figures & Tables ⇒ Centering large column heading above 3 columns

[Fdavid]

Hi everbody,

After searching for hours I could not solve my problem.
I have a large table with means and sd separated in three columns.
I need to header to be centered on the +-.

I tried using S tables but when I use S type tables I receive an error message with the column header on two lines.
Any other simple solution keeping the 3 column form of the mean +- sd.

Here is a short extract of the table.

Thank you for your help.

Code: Select all

Code, edit and compile here:

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\begin{table}[]
\begin{tabular}{lrcl}
\textit{Acides gras (\%)} & \multicolumn{3}{c}{\begin{tabular}[c]{@{}c@{}}My long three column and two lines header to be centered \\ (n = 91)\end{tabular}} \\
\textit{Saturés}          &                               &                             &                               \\
14:0                      & 2.6                           & ±                           & 0.7                          
\end{tabular}
\end{table}
 
 
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