No significant difference was found between LEV and PHT total intravenous-plus-oral regimen in discontinuation because of side effect ( hazard ratio [ HR ] 0.78 , 95 % confidence interval [ CI ] 0.21-2 .92 , p = 0.72 ) or number of patients with side effect ( HR 1.51 , 95 % CI 0.77-2 .98 , p = 0.22 ) .
