“…These can be measured in terms of the length of a waiting list, average waiting time inside the hospital and reduction in length of stay. Healthcare systems with a To increase the revenue Womack and Flowers (1999), Taylor and Nayak (2012), Cox (2021a, b) 3 To manage and control costs Womack and Flowers (1999), Kershaw (2000), Cox (2021a, b) 4 To improve the operational and process efficiency Kershaw (2000), Rotstein et al (2002), Mohammadi and Eneyo (2012) To analyse the operation and process procedure Hunink (2001), Taylor and Sheffield (2002), Taylor and Churchwell (2004), Ritson and Waterfield (2005) Womack and Flowers (1999), Taylor and Churchwell (2004), , Taylor and Nayak (2012), Ren et al (2013), Aguilar-Escobar et al (2016, Mabin et al (2018) Reduction in length of stay Rotstein et al (2002), Karvonen et al (2004), Ritson and Waterfield (2005), Stratton and Knight (2010), Ren et al (2013) Reduced waiting time Kershaw (2000), Rotstein et al (2002), Karvonen et al (2004), , Stratton and Knight (2010), Taylor and Nayak (2012) Taylor and Churchwell (2004) Improved satisfaction Womack and Flowers (1999), , Gupta and Kline (2008), Taylor and Nayak (2012), Gupta et al (2015), Mabin et a...…”