Central obesity and nonalcoholic fatty liver disease risk after adjusting for body mass index

Table 1 Baseline characteristics for studies included in meta-analysis

First author and year	Country	Case, n (M/W)	Control, n (M/W)	Design	Excluding1	Cut-off	Adjusted factors	NOS
High vs low category in waist circumference
Zelber-Sagi et al[27]	Israel	66/32	108/120	c-s	Hep B, C, DILI	102/88	5	8
Park et al[28]	Korea	62/84	118/86	c-s	Hep B, C	90/80	11	6
Choi et al[29]	Korea	246/68	216/129	c-s	Hep B, C	90/80	7	6
Tsai et al[30]	Taiwan	253/120	275/228	c-s	None	90/80	7	7
Kogiso et al[31]	Japan	33/24	60/113	c-s	Hep B, C	85/90	10	7
Das et al[32]	India	89/75	926/821	n-c-c	Hep B, C, DILI	90/80	6	8
Pinidiyapathirage et al[33]	Sri Lanka	45/27	144/185	c-s	Hep B, C	90/80	4	8
High vs low category in waist-to-hip ratio
Kogiso et al[31]	Japan	33/24	60/113	c-s	Hep B, C	0.845/0.845	10	7
Zheng et al[34]	China	189/61	192/48	c-c	Hep B, C	0.900/0.850	8	7
Wengert et al[35]	Germany	58/22	138/125	c-s	Hep B, C	NR	8	9
Per-unit increase in waist circumference
Yoon et al[36]	Korea	11/27	15/38	c-s	Other liver diseases	/	3	7
Church et al[22]	USA	24/0	218/0	n-c-c	Other liver diseases	/	3	7
Sung et al[37]	Korea	7155/1867	10461/11757	c-s	Hep B, C, DILI	/	2	6
Seo et al[20]	Korea	45/28	50/36	c-c	Hep B, C, DILI	/	12	8
Xu et al[38]	China	139/88	416/235	c-s	Other liver diseases	/	7	7
Sathiaraj et al[39]	India	77/21	75/27	c-c	Hep B, C, DILI	/	2	6
Zhou et al[40]	China	211	513	Cohort	Other liver diseases	/	11	8
Eshraghian et al[21]	Iran	127	705	c-s	DILI, other liver diseases	/	12	7
Cheah et al[41]	Malaysia	17/17	19/24	c-s	None	/	9	8
Foster et al[42]	USA	227/294	1144/1391	c-s	DILI, other liver diseases	/	9	7
Li et al[23]	China	28/51	130/233	Cohort	Other fatty liver	/	17	8

¹In addition to exclusion of alcoholic liver disease. c-c: Case-control; c-s: Cross-sectional; DILI: Drug-induced liver injury; Hep: Hepatitis; M: Men; n-c-c: Nested case-control; NOS: Newcastle-Ottawa scale; NR: Not reported; W: Women.