Prevalence of nonalcoholic fatty liver disease in patients with hepatitis B: A meta-analysis

Table 2 Scores using modified Newcastle-Ottawa scale for included studies

Ref.	Selection				Comparability	Exposure			Total score
	Fully defined cases	Define the study design	Selection of controls	Described the general characteristics	Controlling the important factors or confounding factors	List inclusion and exclusion criteria for all the participants	Provided Enrollment duration for all the participants	Indicate study period and follow-up duration
Wang et al[20], 2008	*	*		*	2	1	1		7
Yun et al[21], 2009	1		1	1	2	1		1	7
Wong et al[22], 2012	1	1		1	2	1	1	1	8
Cheng et al[23], 2013	1	1		1	2	1		1	7
Peng et al[24], 2013	1	1	1	1		1		1	6
Yilmaz et al[25], 2015	1		1	1	2	1		1	7
Chan et al[26], 2017	1	1	1	1	1	1	1	1	8
Joo et al[27], 2017	1	1	1	1	2	1	1	1	9
Zhong et al[28], 2018	1	1	1	1	2	1		1	8
Azarkar et al[12], 2019	1	1	1	1	2		1	1	8
Lee et al[29], 2019	1	1	1	1	1	1		1	7
Peleg et al[30], 2019	1	1		1	1	1	1	1	7
Sharif et al[31], 2019	1	1		1	2	1		1	7
Wang et al[13], 2019	1	1	1	1	2	1	1	1	9
Zhu et al[32], 2019	1	1	1		2	1	1	1	8
Huang et al[33], 2020	1		1	1	2			1	6
Su et al[34], 2020	1	1		1	1	1	1	1	7
Zhuang et al[35], 2020	1	1	1	1	1	1		1	7
Lv et al[10], 2021	1		1	1	2	1		1	7
Zhou et al[36], 2022	1	1	1	1	1	1		1	7