Summary of platelet autoantibody testing in BM and PB compartments of ITP patients, patients with nonimmune thrombocytopenia, and healthy controls
| Autoantibody testing . | ITP (n = 18) . | Nonimmune thrombocytopenia controls (n = 3) . | Healthy controls (n = 6) . |
|---|---|---|---|
| BM only | 5 (28) | 0 (0) | 0 (0) |
| Cell-bound only | 3 (17) | 0 (0) | 0 (0) |
| Free only | 2 (11) | 0 (0) | 0 (0) |
| Cell-bound and free | 0 (0) | 0 (0) | 0 (0) |
| PB only | 1 (6) | 1 (33) | 0 (0) |
| Cell-bound only | 1 (6) | 0 (0) | 0 (0) |
| Free only | 0 (0) | 1 (33) | 0 (0) |
| Cell-bound and free | 0 (0) | 0 (0) | 0 (0) |
| BM and PB | 5 (28) | 0 (0) | 0 (0) |
| Cell-bound only | 4 (22) | 0 (0) | 0 (0) |
| Free only | 1 (6) | 0 (0) | 0 (0) |
| Cell-bound and free | 0 (0) | 0 (0) | 0 (0) |
| BM or PB | 11 (61) | 1 (33) | 0 (0) |
| Cell-bound only | 8 (44) | 0 (0) | 0 (0) |
| Free only | 2 (11) | 1 (33) | 0 (0) |
| Cell-bound and free | 1 (6) | 0 (0) | 0 (0) |
| Autoantibody testing . | ITP (n = 18) . | Nonimmune thrombocytopenia controls (n = 3) . | Healthy controls (n = 6) . |
|---|---|---|---|
| BM only | 5 (28) | 0 (0) | 0 (0) |
| Cell-bound only | 3 (17) | 0 (0) | 0 (0) |
| Free only | 2 (11) | 0 (0) | 0 (0) |
| Cell-bound and free | 0 (0) | 0 (0) | 0 (0) |
| PB only | 1 (6) | 1 (33) | 0 (0) |
| Cell-bound only | 1 (6) | 0 (0) | 0 (0) |
| Free only | 0 (0) | 1 (33) | 0 (0) |
| Cell-bound and free | 0 (0) | 0 (0) | 0 (0) |
| BM and PB | 5 (28) | 0 (0) | 0 (0) |
| Cell-bound only | 4 (22) | 0 (0) | 0 (0) |
| Free only | 1 (6) | 0 (0) | 0 (0) |
| Cell-bound and free | 0 (0) | 0 (0) | 0 (0) |
| BM or PB | 11 (61) | 1 (33) | 0 (0) |
| Cell-bound only | 8 (44) | 0 (0) | 0 (0) |
| Free only | 2 (11) | 1 (33) | 0 (0) |
| Cell-bound and free | 1 (6) | 0 (0) | 0 (0) |
All data are no. (%).