Table 3.

Methodological quality of the studies included with randomized clinical design.

	Randomization	Allocation secrecy	Analysis by treatment intention	Baseline Comparability	Blinding	Description of losses and inclusions
Giltay et al., 2004	A	I	I	A	I	A
Matthews et al., 2004	A	I	I	A	A	I
Hart et al., 2008	A	A	A	A	A	A
Geers et al., 2010	A	A	I	A	I	I
Saquib et al., 2011	A	I	I	A	I	I
Boehm et al., 2013	A	I	I	I	I	A
Richman et al., 2005	A	I	I	I	I	A
Warber et al., 2011	A	A	A	A	I	I
Gelkopf et al., 2013	A	I	A	A	I	A

A - Adequate; I- Inadequate.