AVOXimeter 1000e Instrument to Instrument Comparison
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Hello all! We recently validated a new AVOximeter 1000e in Cath lab and it's now due for an instrument-to-instrument comparison (with the old AVOX).
I used lavender top tubes, and I wanted to make sure of the criteria/TAE that is used for the sO2 & tHb values?
Appreciate your help!
I used lavender top tubes, and I wanted to make sure of the criteria/TAE that is used for the sO2 & tHb values?
Appreciate your help!
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You need to refer to your policy on correlation, it is base on your organization’s policy. If you do not have a policy you need to have one so that you will be guided on your process moving forward.
Sincerely,
Alma
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Alma Calzado-Knudson, MBA, CLS, MT (ASCPi & AMT)
Manager, Lab Quality and Point of Care Testing
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Then, we also correlate AVOX to our ABL's and Sysmex both in Main Lab.
For oxyhemoglobin between AVOX's and AVOX to ABL's, we use 3.0% units not a 3.0% calculated difference for TAE.. For example, if we get an 82%, then the range we accept is 79%-85%.
For total hemoglobin, between the AVOX's we use a 4% TAE. For AVOX to GEM and Sysmex, we use a 7% or 0.5 g/dL TAE.