Final answer:
RDW is a measure of the variation in the width of red blood cells, it can provide information about certain health conditions such as anemia or other blood disorders.
Step-by-step explanation:
RDW stands for Red Cell Distribution Width, and it is a measure of the variation in the width of red blood cells.
It is used to assess the size differences in red blood cells, and it can provide information about certain health conditions such as anemia or other blood disorders.
For example, an increased RDW may indicate a mix of small and large red blood cells, which could be a sign of certain types of anemia or other underlying health issues.