Table 3. Concentrations of trace metals in X. parietina tissues from 11 sites in the Parma province and prevalence of sarcoidosis MDs (the prevalence sites labeled with an asterisk refer to Parma MD).

Site	Prevalence	Trace metals (mg Kg-1 dry wt.)
		As	Al	Cd	Cr	Cu	Fe	Hg	Mn	Ni	Pb	Se	Zn
Paradigna (Parma)	48.95*	0.165±0.07	417.45±53.9	0.094±0.043	n.q.±/	8.71±2.01	10.12±2.29	0.125±0.055	n.q.±/	3.41±0.907	1.518±0.456	0.209±0.0846	47.157±8.448
Parma-Parco (Parma)	48.95*	0.179±0.07	400.4±52.0	0.056±0.028	n.q.±/	11.89±2.62	10.67±2.39	0.1±0.045	n.q.±/	1.716±0.506	1.034±0.329	0.187±0.077	42.185±7.685
Varano de' Melegari	186.57	0.012±0.01	251.35±35.0	0.01±0.006	n.q.±/	2.76±0.76	5.72±1.41	0.057±0.028	n.q.±/	0.836±0.275	0.407±0.149	0.088±0.041	11.726±2.590
Medesano	74.29	0.216±0.09	524.7±65.4	0.046±0.023	n.q.±/	7.04±1.68	12.76±2.78	0.133±0.058	n.q.±/	3.938±1.025	1.474±0.445	0.088±0.041	41.195±7.531
Varsi	0	0.197±0.08	403.15±52.3	0.01±0.006	n.q.±/	4.85±1.22	9.13±2.09	0.165±0.069	n.q.±/	2.255±0.638	1.045±0.332	0.088±0.041	23.617±4.695
San Secondo Parmense	72.15	0.188±0.08	465.85±59.1	0.019±0.011	n.q.±/	7.48±1.77	11.11±2.47	0.056±0.028	n.q.±/	2.75±0.756	1.628±0.484	0.2046±0.083	45.848±8.248
Roccabianca	0	0.145±0.06	278.85±38.2	0.067±0.032	n.q.±/	5.66±1.40	6.16±1.50	0.056±0.028	n.q.±/	1.639±0.487	1.342±0.411	0.088±0.041	34.496±6.477
Berceto	187.27	0.185±0.08	536.8±66.7	0.01±0.006	n.q.±/	4.66±1.18	11.99±2.64	0.05±0.025	n.q.±/	2.31±0.652	1.925±0.558	0.088±0.041	24.277±4.805
Borgo Val di Taro	83.12	0.207±0.08	609.4±74.3	0.041±0.021	n.q.±/	3.89±1.01	11.66±2.58	0.065±0.031	n.q.±/	1.749±0.514	1.1±0.347	0.088±0.041	25.003±4.928
Valmozzola	177.62	0.111±0.05	718.3±85.4	0.01±0.006	n.q.±/	31.86±6.05	46.75±8.39	0.082±0.038	n.q.±/	7.678±1.808	2.497±0.696	0.088±0.041	36.949±6.867
Bedonia	195.91	0.093±0.04	416.9±53.8	0.01±0.006	n.q.±/	5.15±1.29	7.59±1.79	0.036±0.019	n.q.±/	1.012±0.323	1.353±0.414	0.088±0.041	18.986±3.9