Variable Details

Available Studies
ROS, MAP, MARS, Clinical Core, LATC
Scaled? 
Not Scaled
Variable Type 
Longitudinal
Variable Name 
rdw
Categories
Blood Measures

RBC distribution width
Red blood cell distribution width in blood samples

Red blood cell distribution width (RDW) is a measure of the range of variation of red blood cell volume. The variable is measured with a complete blood count performed by Quest Diagnostics. See the routine laboratory tests subcategory description for blood sample collection and analysis procedures.

RDW is expressed as a percentage.

Reference range: 11.0 - 15.0%