Change the syntax of character - from symbol to punctuation in org-mode.
You can do that by:
(defun my-org-change-minus-syntax-fun ()
(modify-syntax-entry ?- "."))
(add-hook 'org-mode-hook #'my-org-change-minus-syntax-fun)
You can add these lines to your init file.
Note that I have running that setup for ages now with no relevant negative effects.
For reference I found this message on the org-mode mailing list which mentions a way to do this by means of file local #+LATEX_HEADER lines which use the fancyvrb package and redefine the verbatim environment that org-mode #+RESULTS blocks get exported to via: