Table 3.

Prophylactic treatment after detoxification programme

	Total (n = 120)	R-group (n = 68)	NR-group (n = 52)	Test statistics	p value
Tricyclic antidepressants	24 (20.0 %)	18 (26.5 %)	6 (11.5 %)	\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$ \chi^{2} = 4.10 $$\end{document}	0.0427
Beta-blockers	7 (5.8 %)	4 (5.9 %)	3 (5.8 %)	\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$ \chi^{2} = 0.00 $$\end{document}	0.9791
Antiepileptics	50 (41.7 %)	23 (33.8 %)	27 (54.0 %)	\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$ \chi^{2} = 3.97 $$\end{document}	0.0462
SSRIs	5 (4.2 %)	5 (7.3 %)	0 (0 %)	\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$ \chi^{2} = 3.99 $$\end{document}	0.0683
Combination of prophylactic treatments	29 (24.2 %)	14 (20.6 %)	15 (28.8 %)	\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$ \chi^{2} = 1.09 $$\end{document}	0.2950