The effects of zinc supplementation on the metabolic factors in patients with non-alcoholic fatty liver disease: a randomized, double-blinded, placebo-controlled clinical trial

Table 2 Dietary intake and physical activity of the intervention (n = 25) and control (n = 25) groups before and after the study, as well as their differences

		Before	After	P-value^#	Mean difference
Energy (kcal/day)	Intervention	3274.28 ± 596.35	1963.08 ± 254.28	< 0.001	− 1311.20 ± 577.19
	Control	3334.40 ± 608.12	2078.80 ± 321.75	< 0.001	− 1255.60 ± 704.20
	P-value^*	0.726	0.165		0.761
Protein (g/day)	Intervention	106.89 ± 21.13	90.32 ± 19.17	0.013	− 16.57 ± 30.76
	Control	114.97 ± 33.05	90.00 ± 17.86	0.002	− 24.96 ± 35.05
	P-value^*	0.310	0.952		0.373
Carbohydrate (g/day)	Intervention	412.14 ± 106.88	303.60 ± 66.30	< 0.001	− 108.54 ± 109.62
	Control	477.42 ± 105.12	277.96 ± 65.64	< 0.001	− 199.46 ± 133.75
	P-value^*	0.034	0.176		0.011
Fat (g/day)	Intervention	133.88 ± 45.25	56.45 ± 37.18	< 0.001	− 77.43 ± 40.23
	Control	109.34 ± 44.43	77.06 ± 40.83	< 0.001	− 32.27 ± 35.03
	P-value^*	0.059	0.068		< 0.001
Fiber (g/day)	Intervention	10.96 ± 1.19	11.67 ± 0.97	0.008	0.70 ± 1.22
	Control	10.36 ± 1.49	10.96 ± 1.54	0.096	0.59 ± 1.72
	P-value^*	0.123	0.058		0.799
Zinc (mg)	Intervention	13.20 ± 2.96	11.01 ± 1.87	0.002	− 2.19 ± 3.20
	Control	13.72 ± 5.06	10.95 ± 2.28	0.020	− 2.77 ± 5.58
	P-value^*	0.662	0.912		0.653
Physical activity (MET*min/week)	Intervention	594.72 ± 51.48	743.16 ± 49.88	< 0.001	148.44 ± 72.39
	Control	598.36 ± 55.77	716.36 ± 68.36	< 0.001	118.00 ± 74.20
	P-value^*	0.812	0.120		0.149

ISSN: 2055-0928