Table 3.

Statistical differences in mean metal concentrations (n = 56) in respect of the type of wine (ANOVA), alcohol content, and age of wine (t test)

Metals	Type of wine (white, red, rose)		Alcohol content (%) (≥ 12; < 12)		Age of wine (years) (≤ 2; > 2)
	F	p	t	p	t	p
Ca	0.44	0.65	− 1.22	0.23	0.80	0.43
Cd	2.05	0.14	0.87	0.39	0.64	0.53
Cu	1.62	0.21	− 0.76	0.45	− 1.08	0.28
Fe	1.36	0.27	0.10	0.92	− 0.81	0.42
Hg	0.93	0.40	− 0.26	0.80	0.49	0.63
Mg	0.54	0.59	− 1.48	0.14	1.22	0.23
Ni	0.71	0.50	− 0.69	0.50	1.66	0.10
Pb	0.62	0.54	− 0.75	0.46	− 0.21	0.84
Zn	0.13	0.87	1.04	0.30	− 2.17	0.03