From: Seroprevalence of toxoplasmosis among children with autism
 | Severity of autism | χ2 | p value | ||
---|---|---|---|---|---|
 | Mild to moderate (no. = 22) | Severe (no. = 28) |  |  | |
Anti-Toxoplasma gondii IgM | Â | Â | Â | Â | |
Positive | No. | 0 | 2 | 2.4 | 0.33 |
% | 0 | 7.1 | |||
Equivocal | No. | 1 | 0 | ||
% | 4.5 | 0 | |||
Negative | No. | 21 | 26 | ||
% | 95.5 | 92.9 |