Table 1.
Baseline characteristics of patients included in the study
| Characteristic | No. of patients |
||
|---|---|---|---|
| Total | ITP | Non-ITP | |
| No. of patients | 568 | 206 | 362 |
| Age, yr, median (range) | 57 (15–92) | 53 (15–92) | 61 (16–91) |
| Sex | |||
| Male | 263 | 78 | 185 |
| Female | 303 | 126 | 177 |
| Diagnosis | |||
| Bone marrow diseasesa | 132 | ||
| Infection | 69 | ||
| Drug | 56 | ||
| DIC | 30 | ||
| Liver disease | 40 | ||
| Othersb | 35 | ||
ITP, immune thrombocytopenia; DIC, disseminated intravascular coagulopathy.
a
Bone marrow diseases include aplastic anemia, acute leukemia, myelodysplastic syndrome, multiple myeloma, myelofibrosis, chronic lymphoid leukemia, hemophagocytic lymphohistiocytosis, and bone marrow invasion by lymphoma.
b
Others include chronic kidney disease, other autoimmune diseases, megaloblastic anemia, and bone marrow involvement of other cancers, and patients who are strongly suspected primary bone marrow disease without bone marrow examination due to their refusal.