Table 3.

Plasma zinc increases significantly in autistic children with and without GI disease.

	Autistic Zn pre therapy	Autistic post therapy
Mean	78.36	102.59
SD	20.32	28.14
	P = 0.0001
	GI Zn pre therapy	GI Zn post therapy
Mean	74.30	112.27
SD	26.66	31.86
	P = 0.0003
	Non GI Zn pre therapy	Non GI post therapy
Mean	80.20	98.56
SD	16.71	25.85
	P = 0.0001