| Autoimmune disorder | No. (%) | No. according to the time of onset with respect to the onset of ITP | ||
| Before | Simultaneously | After | ||
| Systemic lupus erythrmatosus | 20 (28.2) | 9 | 2 | 9 |
| Hashimoto thyroiditis | 11 (15.5) | 3 | 1 | 7 |
| Sjogren syndrome | 7 (9.8) | 2 | 1 | 4 |
| Psoriasis | 4 (5.6) | 2 | 0 | 2 |
| Autoimmune neutropenia | 4 (5.6) | 1 | 3 | 0 |
| Atrophic gastritis | 3 (4.2) | 0 | 1 | 2 |
| Autoimmune hemolytic anemia | 3 (4.2) | 0 | 3 | 0 |
| Ulcerative colitis | 3 (4.2) | 0 | 0 | 3 |
| Multiple sclerosis | 2 (2.9) | 2 | 0 | 0 |
| Graves disease | 2 (2.9) | 1 | 0 | 1 |
| Thromboangiitis obliterans | 2 (2.9) | 0 | 1 | 1 |
| Lichen planus | 1 (1.4) | 0 | 0 | 1 |
| Pyoderma gangernosum | 1 (1.4) | 0 | 1 | 0 |
| Primary biliary cirrhosis | 1 (1.4) | 0 | 0 | 1 |
| Celiac disease | 1 (1.4) | 0 | 0 | 1 |
| Myasthenia gravis | 1 (1.4) | 1 | 0 | 0 |
| Rheumatoid arthritis | 1 (1.4) | 1 | 0 | 0 |
| Vitiligo | 1 (1.4) | 1 | 0 | 0 |
| Antiphospholipid syndrome | 1 (1.4) | 0 | 0 | 1 |
| Autoimmune hepatitis | 1 (1.4) | 0 | 0 | 1 |
| Sarcoidosis | 1 (1.4) | 1 | 0 | 0 |
| All | 71 (100.0) | 24 | 13 | 34 |