Do Expired Test Strips Read High or Low
Using Expired Examination Strips
Using expired test strips tin can save you a lot of money, merely are they accurate? This is an important question for diabetics who tin not beget new exam strips or for those who want to know their old test strips are still safety. Nosotros tested several brands of examination strips that had been expired between one and 5 years and found that accuracy depended upon the length of time since expiration and the brand of test strip. Test strips were tested with make specific controls that had at to the lowest degree 6 months until expiration. Test strips were tested 3 times per each control solution (normal, high, low) and averages, standard deviations, and %RSD were used to determine accuracy and precision. Brands of test strips tested included: One Touch on Ultra, I Touch Ultra Blue, FreeStyle Calorie-free, FreeStyle, FreeStyle Insulinx, Accu-Chek Aviva Plus, Accu-Chek Meaty, Bayer Breeze 2, Bayer Profile, Bayer Contour Next, Advocate, Chemical element, Embrace, Liberty, Precision Xtra, TrueTest, TrueBalance, and Nova Max. Results are for educational purposes only and are non intended to diagnose, treat, cure, or prevent whatsoever disease. Please follow the advice of your physician. Expired Test Strips Data Test strips that had been expired for 1 year or less were not constitute to have a statistically significant variation in readings compared to unexpired test stirps. The majority of examination strips at the 2 twelvemonth mark were within the command solution range with the exception of Precision Xtra. Precision Xtra test strips that had been expired for more than 1 year were very tiresome at absorbing the control solution and readings were neither accurate nor precise. At three years past expiration Precision Xtra exam strips read on average 102 beneath for high controls and read low (<20 mg/dL) for low controls. Test strips that had been expired 1000 Continue reading >>
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Source: https://diabetestalk.net/blood-sugar/how-accurate-are-expired-glucose-test-strips
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