Table 2.

Clinical diagnosis and seroprevalence of anti-T. gondii IgG antibodies in 137 psychiatric patients.

Clinical Diagnosis	ICD-10 diagnosis	Patients studied		Patients with anti-T. gondii antibodies
		No.	%	No.	%	P value*
Schizophrenia	F20	38	27.7	10	26.3	0.005
Mental and behavioural disorders due to psychoactive substance use	F14, F18–19	25	18.2	4	16	0.21
Mental disorder	F06.2, F06.8–9	20	14.6	1	5	0.47
Mental retardation	F71–73	19	13.9	4	21.1	0.1
Mental and behavioural disorders due to use of alcohol	F10	14	10.2	2	14.3	0.38
Bipolar affective disorder	F31	6	4.4	1	16.7	0.44
Epilepsy	G40	4	3	0	0	0.69
Severe depressive episode	F32.2–3	3	2.2	1	33.3	0.25
Dementia in Alzheimer's disease with early onset	F00.0	2	1.5	2	100	0.009
Dissociative disorder	F44	1	0.7	0	0	0.91
Vascular dementia	F01	1	0.7	0	0	0.91
Somatoform disorder	F45	1	0.7	0	0	0.91
Obsessive-compulsive disorder	F42	1	0.7	0	0	0.91
Acute polymorphic psychotic disorder	F23.1	1	0.7	0	0	0.91
Schizoaffective disorder, mixed type	F25.2	1	0.7	0	0	0.91
All		137	100	25	18.2	0.02

*As compared with 8.9% seroprevalence of anti-T. gondii IgG antibodies in controls (16/180).