BioMed Research International / 2020 / Article / Tab 2 / Research Article
Miscarriage on Endometriosis and Adenomyosis in Women by Assisted Reproductive Technology or with Spontaneous Conception: A Systematic Review and Meta-Analysis Table 2 Newcastle-Ottawa risk of bias for included studies.
Authors (year) Selection of study group score Comparability of group score Ascertainment of exposure or outcome score Total NOS score Risk of bias (low, medium, high) Retrospective cohort study Omland et al. (2005) 3 2 2 7 Low Martinez-Conejero et al. (2011) 3 2 2 7 Low Hjordt Hansen et al. (2014) 3 1 3 7 Low Yan et al. (2014) 3 2 2 7 Low Santulli et al. (2016) 3 2 3 8 Low Saraswat et al. (2016) 3 2 3 8 Low Sharma et al. (2019) 3 1 3 7 Low Pittaway et al. (1988) 3 1 3 7 Low Geber et al. (1995) 4 2 2 8 Low Olivennes et al. (1995) 3 2 2 7 Low Mekaru et al. (2014) 3 2 2 7 Low Polat et al. (2014) 3 2 3 8 Low Guo et al. (2016) 3 2 2 7 Low Costello et al. (2011) 3 2 2 7 Low Mathieud et al. (2010) 3 2 2 7 Low Senepati et al. (2016) 3 1 2 6 Medium Curtis et al. (1993) 3 2 1 6 Medium Bergendal et al. (1998) 3 2 2 7 Low Kuivasaari et al. (2005) 3 2 2 7 Low Opoien et al. (2012) 3 2 2 7 Low Vaz et al. (2017) 3 1 2 6 Medium Bahceci et al. (2005) 3 0 3 6 Medium Thailluri et al. (2012) 3 2 2 7 Low Prospective cohort study Pop et al. (2014) 3 2 2 7 Low Kim et al. (2011) 3 2 3 8 Low Salim et al. (2012) 3 2 2 7 Low Farland et al. (2019) 3 1 3 7 Low Porpora et al. (2020) 4 1 2 7 Low Sharma et al. (2020) 3 2 2 7 Low Case control study Arici et al. (1996) 3 1 2 6 Medium Singh et al. (2013) 3 2 2 7 Low Kuroda et al. (2009) 3 1 2 6 Medium Esinler et al. (2006) 3 2 2 7 Low Benaglia et al. (2014) 3 2 2 7 Low Matalliotakis et al. (2007) 3 2 2 7 Low Hashimoto et al. (2017) 3 2 2 7 Low Youm et al. (2011) 4 0 2 6 Medium Cross-sectional study Schwartz et al. (2017) 3 2 2 7 Low
