Table 1.

Table of the proportion of cases of vitamin D insufficiency or deficiency in obese children with NAFLD and obese children without NAFLD.

Studies	Total sample		Number of insufficiency/deficiency cases vitamin D
	NAFLD	Non-NAFLD	NAFLD	Non-NAFLD
Black et al. (37)	156	838	Insufficient: 79 (50.6%) Deficient: 27 (17.3%)	Insufficient: 316 (37.7%) Deficient: 93 (11%)
Malespin et al. (38)	12	134	Deficient: 10 (83.3%)	Deficient: 66 (49.2%)
Sezer et al. (39)	58	53	Insufficient: 17 (29.3%) Deficient: 39 (67.2%)	Insufficient: 13 (24.5%) Deficient: 40 (75.4%)
Cho et al. (40)	215	3,663	Deficient: 183 (85.1%)	Deficient: 2,835 (77.4%)