If you squeeze too hard, with the blood you will squeeze out tissue fluid, and dilute the sample, so have lower readings. The variability of these tests are also quite wide: plus or minus 10 mg%.
【在 R******d 的大作中提到】 : If you squeeze too hard, with the blood you will squeeze out tissue fluid, : and dilute the sample, so have lower readings. The variability of these : tests are also quite wide: plus or minus 10 mg%.