Figuring out the exact variety of neutrophils, an important kind of white blood cell chargeable for preventing bacterial infections, entails multiplying the full white blood cell rely by the share of neutrophils (segmented neutrophils and band cells) present in a differential blood rely. For instance, if a affected person’s white blood cell rely is 8,000 cells/microliter and 60% of these are neutrophils, absolutely the rely can be 4,800 neutrophils/microliter.
This quantification gives a extra correct evaluation of a affected person’s immune standing than the white blood cell rely alone, providing precious perception into the physique’s potential to fight an infection. A low worth can point out elevated susceptibility to infections, whereas an elevated worth might recommend an ongoing inflammatory course of. The event and refinement of hematological methods over the previous century have made this available measurement a necessary software in trendy medical diagnostics and therapy planning.
