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EQA CD34+

Program description:

The CD34+ EQA is an External Quality Assessment program which allows to control the quantity of antibodies CD34+ staining, RBC lysis on flow cytometry instruments.


The control contains human stem cells and can be used on most of flow cytometers.


Shipments are scheduled twice a year (April and October) with two samples (1,5 ml blood tubes).



  

(control the quantity of antibodies CD34+)

Parameters:


CD34+%: percentage of CD34+

CD34+#: number of CD34+ per microliter

CD45+#: number of CD45+ per microliter


Comparison groups:


All techniques comparison: Statistical treatment made with all the EQA results, all techniques included.


Peer group comparison: Statistical treatment made with the EQA results from laboratories which use the same manufacturer’s cytometer.


We identified 3 peer groups for this program: