Table 2.
Characteristics of ITP patients with high or low megakaryocyte-associated IgG as determined by semi-quantitative assessment
| Megakaryocyte-associated IgG | Gender | Age (years) | PLT count1 (×109/L) | ITP duration (years) | Number of prior ITP treatments | IVIG in the preceding 4 weeks |
|---|---|---|---|---|---|---|
| High | M | 26 | 4 | 20 | 6 | Yes |
| High | F | 23 | 4 | 0 | 1 | No |
| High | F | 26 | 5 | 1 | 2 | Yes |
| High | M | 57 | 20 | 1 | 1 | No |
| High | F | 27 | 2 | 1 | 3 | Yes |
| High | F | 29 | 26 | 23 | 3 | No |
| High | F | 31 | 2 | 0 | 1 | Yes |
| High | F | 41 | 4 | 15 | 2 | Yes |
| High | M | 83 | 29 | 1 | 1 | No |
| High | F | 53 | 4 | 25 | 6 | No |
| High | M | 87 | 76 | 2 | 0 | No |
| High | M | 76 | 15 | 0 | 1 | Yes |
| Low | F | 71 | 13 | 1 | 1 | No |
| Low | F | 61 | 65 | 17 | 1 | No |
| Low | M | 63 | 17 | 3 | 2 | Yes |
| Low | F | 73 | 8 | 2 | 4 | Yes |
| Low | M | 64 | 10 | 4 | 6 | No |
IgG, immunoglobulin G; IVIG, intravenous immune globulin.
1
Platelet count measured at the time of bone marrow sampling.