“…Approximately more than two third of the impact studies were carried out in the developed nations ( n = 49). A total of 22 research studies on impact of accreditation were carried out in the USA (Gebhart et al , 2014; Kwon et al , 2013; Lichtman et al , 2011; Lutfiyya et al , 2009; Menachemi et al , 2008; Morton et al , 2014; Ross et al , 2008; Schmaltz et al , 2011; Telem et al , 2015; Thornlow and Merwin, 2009; Wagner et al , 2012) and Saudi Arabia (Aboshaiqah et al , 2016; Almasabi and Thomas, 2017; Al-Awa et al , 2011a, 2011b, 2012; Al-Qahtani et al , 2012; Al Shammari et al , 2015; Al-Sughayir, 2016, 2017; Seada, 2012). There were 13 studies that assessed the impact of accreditation in low or middle income countries (Ajarmah and Hashem, 2015; Al Tehewy et al , 2009; Bahadori, 2018; El-Jardali et al , 2008, 2011, 2014; Haj-Ali et al , 2014; Hayati et al , 2010; Kim et al , 2010; Mohebbifar et al , 2017; Quimbo et al , 2008; Saif, 2016; Yildiz and Kaya, 2014) as per the World Bank classifications.…”