Role of micronutrients in staging of nonalcoholic fatty liver disease: A retrospective cross-sectional study

Table 2 Mean serum levels of micronutrients according to liver histopathology staging

	Grade	Vitamin D, pg/mL	Vitamin B12, pg/mL	Zinc, mg/L	Iron, mcg/dL	Magnesium, mg/dL
Steatosis	0	21	433	6.7	82	2.2
	1	21	390	6.6	78	2.0
	2	19	400	6.6	77	2.1
	3	19	444	6.6	80	2.1
	P value	0.047	0.040	0.681	0.959	0.166
NASH	0	21	416	6.7	76	2.1
	1	20	395	6.6	79	2.0
	2	18	404	6.5	79	2.0
	3	-	304	-	80	-
	P value	0.198	0.553	0.950	0.521	0.536
Fibrosis	0	20	401	6.8	79	2.1
	1	21	400	6.6	75	2.1
	2	19	447	6.8	82	2.0
	3	17	444	6.8	83	2.0
	4	-	-	-	-	-
	P value	0.732	0.110	0.877	0.468	0.316

Kruskal-Wallis test. Insufficient numbers for comparison are represented with “-“. NASH: Nonalcoholic steatohepatitis.