“…One study in dogs (Jimenez et al, 2012) and one study in cats were graded an LOE1, ROB1. For dogs, there were a total of six LOE1 studies (Maddern et al, 2010;Psatha et al, 2011;Suarez et al, 2012;Amengual et al, 2013;Bortolami et al, 2013;Hunt et al, 2013), five LOE3 studies (Ambros et al, 2008;Muir et al, 2008;Keates & Whittem, 2012;Rodriguez et al, 2012;Maney et al, 2013), and one LOE5 study (O'Hagan et al, 2012a,b) on the quality of recovery from anesthesia. For cats, there were two LOE1 studies Mathis et al, 2012), one LOE2 study (Zaki et al, 2009), two LOE3 studies Muir et al, 2009) and one LOE5 study (O'Hagan et al, 2012a,b) on this topic.…”