Variable Details

Available Studies

ROS, MAP, MARS, Clinical Core, LATC

Scaled? 

Not Scaled

Variable Type 

Longitudinal

Variable Name 

hemacrit

Categories

Blood Measures

Hematocrit
Hematocrit in blood samples

Hematocrit (HCT), or packed cell volume (PCV), is the percentage of red blood cells in circulating blood. The variable is determined with a complete blood count performed by Quest Diagnostics. See the routine laboratory tests subcategory description for blood sample collection and analysis procedures.

The variable is expressed as a percentage of red blood cells in a volume of blood.

Reference range: Male: 38.5 - 50.0% Female: 35.0 - 45.0%