The potential predictive value of miR-181 in women with preeclampsia: a systematic review and meta-analysis

Table 2 Risk of bias or study quality assessment of included studies using Newcastle-Ottawa scale (NOS) checklist

Eligible studies	Is the definition adequate?	Representativeness of the cases	Selection of controls	Definition of controls	Comparability of both groups	Ascertainment of diagnosis	Same ascertainment method for both groups	Nonresponse rate	Total scores
Zh X.m et al., 2009	+	+	+	+	+	++	+	+	9
Hu Y et al. 2009	+	+	+	+	+	+	+	+	8
Pineles B et al., 2007	+	+	+	+	+	++	+	+	9
Lynn KM et al., 2011	+	+	+	+	+	++	+	+	9
Wu L et al., 2012	+	+	+	+	+	++	+	+	9
Chen YS et al., 2014	+	+	+	+	+	No	+	+	7
Xu P et al., 2014	+	+	+	+	+	++	+	+	9
Badosa CG et al., 2017	+	+	+	+	+	+	+	+	8
Huang X et al., 2018	+	+	+	+	+	++	+	+	9
Zheng Y et al., 2022a	+	+	+	+	+	+	+	+	8
Zheng Y et al., 2022b	+	+	+	+	+	+	+	+	8
Hedley P et al., 2023	+	+	+	+	+	+	+	+	8
Ayoub S et al., 2023	+	+	+	+	+	++	+	+	9

ISSN: 1471-2393