Forrest plot of the meta-analysis for studies of cognitive behavioral therapy in primary care.

Control condition entered in meta-analyses specified by study: Arean (2005) [24] used clinical case-management; but, Laidlaw (2008) [28], Lamers (2010) [29], Serfaty (2009) [31] used care as usual. One of the two reported outcome measurements by Laidlaw was used in the meta-analyses, namely HRSD.