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Comparison of capillary finger stick+venous blood sampling for 34 routine chemistry analytes: potential for hospital+remote blood sampling
The validity of tests using fingerprick blood samples has long been questioned. Some claiming they are unusably awful. Others claiming tests are as good as those done on venous blood.
It is good to see a paper which has researched the questions.
Unfortunately, while they did include TSH, they did not
Impaired Sensitivity to Thyroid Hormones Associated with Central Obesity in Euthyroid Type 2 Diabetes Mellitus with Overweight & Obesity
A paper of possible interest.
But it could be turned round and made YOUR FAULT for having impaired sensitivity.
And dislike the language where [i]high levels of TT3RI and TFQIFT3[/i] are referred to as if they are real substances. Not that they are indexes based on measurements.
[i]Diabetes Metab