Neuropsychiatric manifestations associated with the presence of antiphospholipid antibodies. The prevalence of each neuropsychiatric manifestation in APS patients is depicted in two columns. Firstly, the prevalence as described in the Euro-Phospholipid Project Group study, evaluating 1000 patients with APS, by Cervera et al. [12], and then, any other articles that have described prevalence separately. The prevalence of some manifestations is unknown as they are based on anecdotal reports. Relevant review articles for each manifestation has also been included. Information in the table that is unavailable is denoted with a -.