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Table 1 Table 1

From: YIM-P58. Macrophage activation syndrome: the role of infectious triggers

Persistent fever ≥38°C 12 Decreased platelet count 12
Hyperferritinemia (≥1000 ng/ml) 12 Decreased erythrocyte sedimentation rate 12
Increased liver enzyme levels 11 Decreased leukocyte count 11
Hypofibrinogenemia 10 Hypertriglyceridemia 9
Hemophagocytosis in bone marrow biopsy 6/8