Table 2. Prevalence of Seizures in Autistic Subjects Dependent on Soy Formula.

	Male		Female		Combined
Phenotype, % (N)	Soy	Non-Soy	Soy	Non-Soy	Soy	Non-Soy
Febrile Seizures	3.4a (290)	1.7 (1368)	9b (43)	1.4 (213)	4.2c (333)	1.6 (1581)
Epilepsy Diagnosis	3.8d (291)	1.6 (1352)	3 (39)	1.9 (211)	3.6e (330)	1.7 (1563)
Infantile Spasms	0.7 (292)	0.1 (1377)	0 (42)	0 (215)	0.6 (334)	0.1 (1592)
Atonic Seizures	0.3 (291)	0.2 (1377)	0 (42)	0 (215)	0.3 (333)	0.1 (1592)
Tonic Clonic Seizures	1.4 (291)	1.7 (1378)	0 (42)	3.7 (216)	1.2 (333)	1.9 (1594)
Absence Seizures	3.4 (291)	2.0 (1378)	2 (42)	2.3 (216)	3.3 (333)	2.0 (1594)
Simple Partial Seizures	1.0 (292)	0.3 (1377)	2 (42)	0 (215)	1.2f (334)	0.3 (1592)
Complex Partial Seizures	0.3 (291)	0.4 (1377)	2 (42)	0.4 (215)	0.6 (333)	0.4 (1592)

N = number of subjects in cohort.

^a P = 0.050 as determined by the Pearson's uncorrected chi-squared test, OR = 2.1, 95% CI = 0.92–4.7.

^b P = 0.02 as determined by Fisher's exact test (two-tail), OR = 7.2, 95% CI = 1.3–42.

^c P = 0.003 as determined by the Pearson's uncorrected chi-squared test, OR = 2.6, 95% CI = 1.3–5.3.

^d P = 0.02 as determined by the Pearson's uncorrected chi-squared test, OR = 2.4, 95% CI = 1.1–5.2.

^e P = 0.02 as determined by the Pearson's uncorrected chi-squared test, OR = 2.2, 95% CI = 1.1–4.7.

^f P = 0.04 as determined by Fisher's exact test (two-tail), OR = 4.8, 95% CI = 1.0–23.