Table 2.

Total Serum Copper and Zinc and Copper δ⁶⁵ and Zinc δ⁶⁴ results for controls and children with ASD.

Study population	Serum total Cu (mcg/ml)	δ65Cu (‰)	Serum total Zn (mcg/ml)	δ66Zn (‰)
ASD boys
1	1.82	0.11	0.64	0.45
2	1.41	−0.12	0.67	0.44
3	1.74	−0.28	0.86	0.21
4	1.03	0.16	1.07	0.21
5	0.95	0.06	0.66	0.38
Mean ± SD	1.39 ± 0.40	−0.01 ± 0.18	0.78 ± 0.19	0.34 ± 0.12
Control boys
1	1.14	0.15	0.73	0.33
2	1.31	0.06	1.98	0.23
3	1.45	−0.40	0.80	0.25
4	1.49	0.04	0.53	0.35
5	1.45	−0.05	0.82	0.16
Mean ± SD	1.36 ± 0.14	−0.04 ± 0.21	0.97 ± 0.57	0.26 ± 0.08
ASD girls
1	1.13	−0.40	0.66	0.20
2	1.19	−0.02	0.59	0.37
3	1.22	−0.39	0.80	0.28
4	1.15	−0.07	0.66	0.33
5	1.05	−0.25	0.68	0.24
Mean ± SD	1.14 ± 0.06	−0.23 ± 0.18	0.68 ± 0.07	0.28 ± 0.07
Control girls
1	1.19	0.16	0.61	0.21
2	1.18	−0.33	0.64	0.24
3	1.17	−0.24	0.82	0.27
4	1.15	−0.06	0.65	0.12
5	1.22	−0.29	0.77	0.30
Mean ± SD	1.18 ± 0.03	−0.15 ± 0.20	0.70 ± 0.09	0.23 ± 0.07