Table 2 (abstract A39).

Autoimmune/ inflammation markers and complement activation markers at first presentation to our clinic and within four months of psychiatric symptom onset

Autoimmunity Marker	N (%)
High Anti-Histone Antibody*	21/130 (16.2%)
High Anti-Thyroglobulin Antibody*	21/100 (21.0%)
High Thyroid Peroxidase Antibody *	15/104 (14.4%)
Positive Anti-Nuclear Antibody (>1:320)	34/138 (24.6%)
Elevated C1Q Binding Assay*	30/89 (33.7%)
Low C4**	27/73 (37.0%)
Elevated C4a*	51/73 (69.9%)

Denominators reflect number of patients who had the specific laboratory parameter evaluated

Abbreviations: MCV = Mean Corpuscular Volume

*Above laboratory reference range

**Outside age/sex-adjusted reference ranges