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Erika Deaton-Mohney BS, MT(ASCP), CPP posted a reply on Re: EP Evaluator Corr Coef
Tuesday, Mar 22, 2022 at 8:56 AM
Said: Your medical director should have signed off on what acceptable limits are and define your ways to prove accuracy in a method evaluation procedure. Check it out. Typical Slope acceptable criteria is 0.95- 1.050. Co...
Pet Maniquis posted a reply on Re: EP Evaluator Corr Coef
Tuesday, Mar 22, 2022 at 8:08 AM
Said: We use 0.95 - 1.05 for Acceptable Correlation Coefficient. The more data you have, the better your correlation will be.We use EP Evaluator to calculate our statistics. It has a good interpretation and explanation o...
RAJ DAN posted a reply on Re: EP Evaluator Corr Coef
Monday, Mar 21, 2022 at 8:48 PM
Said: Using Bland altman plots give better indicator for comparisons.
Erika Deaton-Mohney BS, MT(ASCP), CPP posted a reply on Re: EP Evaluator Corr Coef
Monday, Mar 21, 2022 at 1:38 PM
Said: Typical Correlation Coefficient (R) acceptable range is 0.975 - 1.000, where 1.000 is perfect. It is important to understand that R should not be used as a sole criteria for least squares (or your regression line comparison). R is reall...
Melisa Wagoner posted a new Topic
Monday, Mar 21, 2022 at 1:30 PM
EP Evaluator Corr Coef
Hello everyone,
I am fairly new to the POC world and having questions on how to interpret my "alternate (quantitative) method comparison" report. Is there anywhere that states what the acceptable "Corr Coef (R)" range is? I understand the closer to 1.0 (neg or pos) is best- but how low is acceptable? Would "Two Instrument Comparison" be an acceptable alternative as long as the "allowable total error" are the same? That way you know if you pass or fail, because it tells you.
I am fairly new to the POC world and having questions on how to interpret my "alternate (quantitative) method comparison" report. Is there anywhere that states what the acceptable "Corr Coef (R)" range is? I understand the closer to 1.0 (neg or pos) is best- but how low is acceptable? Would "Two Instrument Comparison" be an acceptable alternative as long as the "allowable total error" are the same? That way you know if you pass or fail, because it tells you.
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