Relationship of sarcopenia with steatohepatitis and advanced liver fibrosis in non-alcoholic fatty liver disease: a meta-analysis

Table 1 Characteristics of studies included in meta-analysis on sarcopenia with steatohepatitis and liver fibrosis

Year	First Author	Design	NAFLD (N)/ Total (N)	Country	Age (Years)	Gender (% Male)	Method of diagnosis of sarcopenia	Method of diagnosis of NAFLD	Method of diagnosis of liver fibrosis	Study quality¹
2017	Petta [12]	Cross-sectional	225/225	Italy	48.3	62.7	BIA	Liver biopsy	Liver biopsy	8
2017	Koo [13]	Cross-sectional	240/309	Korea	53	46.9	BIA	Liver biopsy	Liver biopsy	9
2016	Lee [15]^a	Cross-sectional	2761/2761	Korea	55.8	55	DXA	NLFS [32]	NFS [33]	6

BIA, Bioelectric impedance analysis, DXA Dual energy X-ray absorptiometry, LSM liver stiffness measurement, NLFS NAFLD liver fat score, NFS The NAFLD fibrosis score
^aNAFLD and liver fibrosis was defined using different prediction models, data of the first method was caculated and presented
¹Methodological quality of included studies assessed using a method based in the 9-star Newcastle-Ottawa Scale