Table 3.

Reactivity to Specific Human Fetal Brain Proteins in Maternal Mid-Pregnancy Serum, by Autism Onset Type, the Early Markers for Autism Study

	Regression (n = 17)	Early Onset (n = 64)	GP (n = 152)	AU w/Regression vs. GP	AU Early Onset vs. GP	AU w/Regression vs. AU Early Onset
Band	%	%	%	p^a	p^a	p^a
32 kDa	5.9	3.1	11.8	.70	.07	.51
37 kDa	11.8	6.3	7.9	.64	.78	.60
39 kDa	0	9.4	2.0	1.00	.02	.33
60 kDa	11.8	21.9	23.7	.37	.86	.50
73 kDa	17.6	12.5	7.2	.15	.29	.69
32 kDa:73 kDa	5.9	1.6	1.3	.27	1.00	.38
37 kDa:73 kDa	5.9	0	2.6	.42	.32	.21
39 kDa:73 kDa	0	4.7	0		.02	1.00
60 kDa:73 kDa	11.8	4.7	2.0	.08	.36	.28

Abbreviations as in Table 1

Fisher exact test