(A) Serum triglyceride levels in SCID/CID, FHL, I-HLH, and CGD patients. (B) Serum fibrinogen levels in SCID/CID, FHL, I-HLH, and CGD patients. *P<0.05. The dotted line indicates the cut-off value according to the HLH diagnostic criteria. The bars indicate means ± standard deviation.