“…directly contacted the authors of those studies to obtain them. Finally, 11 studies were selected for analysis with respect to hospital LOS (Ahrens et al, 2003; Cox et al, 2012; Daly et al, 2010; Gabriel et al, 2015; Hatler et al, 2012; Morrison et al, 2011; Penrod et al, 2006; 2010; Yoo et al, 2012; 2013; Whitford et al, 2014), and 10 were selected with respect to in-hospital mortality (Ahrens et al, 2003; Ciemins et al 2007; Cox et al, 2012; Daly et al, 2010; Digwood et al, 2011; Lamba et al, 2012; Norton et al, 2007; Paris & Morrison, 2014; Yoo et al, 2012; 2013). Five studies were duplicates with regard to hospital length of stay and in-hospital mortality.…”