Table 2.
Associated diseases and autoantibodies in SPS patients
| Associated diseases | n (%) |
|---|---|
| Autoimmune thyroiditis | 17 (30) |
| Insulin dependant diabetes mellitus (IDDM) | 16 (28) |
| Pernicious anemia (PA) | 11 (19) |
| Epilepsy | 9 (15) |
| Vitiligo | 2 (3) |
| Rheumatoid arthritis | 1 (1) |
| Autoimmune pancreatitis | 1 (1) |
| Irritable bowl syndrome | 1 (1) |
| Monoclonal gammopathy of unknown significance | 1 (1) |
| Antibodies | n (%) |
| Anti-nuclear antigen (ANA) | 26 (45) |
| Anti-cardiolipin IgG and IgM (ACA) | 10 (17) |
| (Anti-nuclear and cardiolipin antibodies together) | 7 (12) |
| Thyroid peroxidase antibody | 23 (40) |
| Anti-thyroglobulin antibody | 20 (35) |
| (Thyroid peroxidase and thyroglobulin antibodies together) | 16 (28) |
| Anti-thyroid microsomal antibody | 1 (1) |
| Anti-parietal cell antibody | 18 (31) |
| Anti-islet cell antibody | 6 (10) |
| Anti-gliadin antibody | 6 (10) |
| Intrinsic factor blocking antibody | 3 (5) |
| Anti-JO-1 antibody | 3 (5) |
| Anti-ENA (RNPSM) | 2 (3) |
| Rheumatoid factor (RF) | 1 (1) |