Fig. 4

Cost-effectiveness plane of included studies. A Two studies are located in this area: Fernandez-Garcia et al. and Lloréns et al. B Seven studies are located in this area: Wagner et al., Hesse et al., Stefano et al., Bustamante Valles et al., Housley et al., Adie et al., and Islam and Brunner. C Two studies are located in this area: Rémy-Néris et al. and Prvu Bettger et al.