Table 2.

Parameters of the treatment method.

RCT	Intervention	S trategy	Control	Daily dose	Time
Kaviani et al. 2014	omega-3 fatty acids	Monotherapy	olive oil	1g	6 weeks
Freeman et al. 2008	omega-3 fatty acids	Monotherapy	corn oil+1% fish oil	1.1 g EPA+0.8 g DHA	8 weeks
Rees et al. 2008	omega-3 fatty acids	Monotherapy	sunola oil	0.42 g EPA. 1.64 g DHA	6 weeks
Su et al. 2008	omega-3 fatty acids	Monotherapy	olive oil	2.2 g EPA 1.2 g DHA	8 weeks

RCT: randomized controlled trial; DHA, docosahexaenoic acid; EPA, eicosapentaenoic acid.