Frequency of antibodies against ribosomal P protein, cardiolipin and CNS tissue in patients with or without neuropsychiatric symptoms
| Patients with | Anti-ribosomal P antibodies | Anti-CNS antibodies | Anti-cardiolipin antibodies |
| Total (n=28) | 6 (21%) | 12 (42%) | 145-150 (50%) |
| Severe neuropsychiatric symptoms (n=12) | 3 (25%) | 9 (75%) | 7 (58%) |
| Mild neuropsychiatric symptoms (n=11) | 3 (27%) | 3 (27%) | 4 (36%) |
| No neuropsychiatric symptoms (n=5) | 0 | 0 | 3 (60%) |
↵5-150 Anti-cardiolipin antibodies consisted only of IgG isotype in eight patients, of IgG and IgM isotype in two patients and only of IgM isotype in four patients.