Table III.

Effect size (ES) and 95% confidence interval (CI) differences between selected factors

Parameter	Effect size	SE	95% CI		z	P-value	Heterogeneity, I2 (%)	Total, N	Weighted mean	SD	Nutritional requirement
			ci.ub	ci.lb
Protein	2.74***	0.33	2.09	3.39	8.28	< 0.001	98.27	1595	56.51***	14.06	211 g
Carbohydrates	0.34*	0.15	0.04	0.64	2.22	0.027	95.44	1775	240.57*	69.24	2101 g
Fat	0.36	0.2	−0.03	0.74	1.81	0.07	96.74	1775	59.87	19.50	541 g
Fibre	−0.78	0.76	−2.27	0.7	−1.03	0.302	99.58	975	11.80	4.24	142 g
Calcium	−1.13***	0.26	−1.63	−0.63	−4.41	< 0.001	96.06	1077	548.81***	247.50	8001 mg
Magnesium	1.48***	0.39	0.73	2.24	3.85	< 0.001	96.64	877	187.35***	64.63	1301 mg
Phosphorus	2.05***	0.40	1.28	2.83	5.18	< 0.001	96.41	1077	858.38***	231.12	5001 mg
Iron	−1.27	0.38	−2.02	−0.51	−3.29	0.001	98.48	1077	6.78***	1.99	101 mg
Sodium	2.02**	0.70	0.65	3.39	2.89	0.004	98.95	877	1784.92**	355.61	10002 mg
Potassium	−2.37	1.57	−5.44	0.7	−1.51	0.131	99.42	877	2096.82	434.13	31002 mg
Vitamin A	0.63	0.86	−1.05	2.3	0.73	0.463	99.12	877	1828.36	594.26	15001 IU
Vitamin B1	1.45***	0.34	0.78	2.11	4.26	< 0.001	93.68	527	0.83***	0.22	0.61 mg
Vitamin B2	2.36***	0.47	1.44	3.28	5.04	< 0.001	92.55	422	1.38***	0.39	0.61 mg
Vitamin B3	1.23*	0.53	0.19	2.26	2.32	0.02	97.28	527	9.65*	2.61	81 mg
Vitamin B6	2.76*	1.15	0.5	5.02	2.39	0.017	98.65	422	1.39*	0.40	0.61 mg
Vitamin B9	−0.54	0.44	−1.4	0.33	−1.22	0.222	99.95	694	0.12	0.08	0.21 mg
Vitamin C	0.96***	0.26	0.46	1.47	3.74	< 0.001	94.52	877	87.06***	47.45	501 mg
Vitamin D	−4.05***	0.83	−5.68	−2.42	−4.88	< 0.001	97.95	694	176.49***	63.47	4003 IU
Vitamin E	−0.09	0.65	−1.35	1.18	−0.13	0.895	99.32	877	5.37	1.64	62 µg
Energy value of the 1400 diet	0.78***	0.15	0.47	1.07	5.08	< 0.001	95.31	2057	1701.27***	388.43	1400 kcal

¹RDA,

²AI,

³EAR

^*p-value < 0.05;

^**p-value < 0.01;

^***p-value < 0.001. The impact of region and year of research on score was not significant.