On Wed, Jun 06, 2007 at 12:37:13PM -0500, William Henney wrote:
>         | line | variance             | mean               |
>         |------+----------------------+--------------------|
>         | oiii | 115.1801 +/- 37.7650 | 18.6588 +/- 2.6645 |
>         | ha   | 197.3689 +/- 35.9261 | 19.5581 +/- 2.8181 |
>         | nii  | 107.8689 +/- 32.3098 | 20.4745 +/- 2.9728 |
>         |------+----------------------+--------------------|
> 
> Org seems to assume that the + in the bottom right cell and the first
> + in bottom hline are matching strikethrough indicators and fontifies
> it accordingly! Is it possible to fix this?
> 
I can't reproduce this either.
However did you consider using the symbol  " ± " ? ;-))

cheers, 
Giovanni