en: In most instances, however, the improvements were slightly greater in the tablet group then in the control group, though the difference was only significant in few cases.
is: Þó má segja að framfarir hafi í flestum tilvikum verið heldur meiri í tilraunahópnum en í samanburðarhópnum þótt munurinn hafi í fæstum tilvikum reynst marktækur.