Table 7.

An overview of immune-mediated conditions reported at increased prevalence in individuals with ASD.

Study	Sample size	Conditions	Prevalence
Miyazaki et al. (172)	Meta-analysis; N = 10 studies	Atopic dermatitis, asthma, atopic rhinitis, food allergies	Increased rates of asthma (OR 1.66) and atopic rhinitis (OR 1.66) in ASD; no increase in prevalence of food allergies and trend for increase in atopic dermatitis
Chen et al. (171)	N = 1,598 ASD, N = 6,392 Controls	Type 1 diabetes	Trend for increase in Type 1 diabetes (0.3 vs. 0.1%); OR 4.00
Chen et al. (171)	N = 1,598 ASD, N = 6,392 Controls	Crohn's disease	Trend for increase in Crohn's disease (1.4 vs. 1.0%); OR 1.46
Chen et al. (171)	N = 1,598 ASD, N = 6,392 Controls	Urticaria	Increased rates of urticaria (8.4 vs. 6.3%); OR 1.38