Characteristics of 31 cases of macrophage activation syndrome.
| Characteristic | No. Cases (%) |
|---|---|
| Persistent fever | 31 (100) |
| Hepatosplenomegaly | 29 (93.55) |
| Enlarged lymph nodes | 20 (64.52) |
| Pancytopenia | 13 (41.94) |
| AST > 60 U/l | 24 (77.42) |
| Serum ferritin > 1500 ng/ml | 27 (87.10) |
| Fibrinogen < 2.5 g/l | 15 (48.39) |
| Triglyceride > 0.23 mmol/l | 23 (74.19) |
| LDH > 159 U/l | 27 (87.10) |
| Creatine kinase < 45 U/l | 31 (100) |
| Hemophagocytosis | 27 (87.10) |
LDH: lactate dehydrogenase; AST: aspartate transaminase.