Figure 3. Key variables for segregation of systemic inflammation of infectious from non-infectious origin in neutropenic hematology patients presenting with fever.

Variables are grouped based on tissue origin and function. BP  =  diastolic blood pressure, LD  =  lactate dehydrogenase, SIRS  =  systemic inflammatory reaction syndrome, TIBC  =  total iron-binding capacity, TSH  =  thyroid-stimulating hormone, X and XII  =  coagulation factors.