Q:

Are FreeStyle diabetes meters dependable?

A:

Quick Answer

The FreeStyle Lite and FreeStyle Freedom Lite diabetes meters performed very well in a 2012 study published in Diabetes Technology and Therapeutics. Those meters also had some of the highest accuracy ratings in a 2012 study by the Diabetes Technology Society.

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Full Answer

The study, published in Diabetes Technology and Therapeutics, tested each subject's blood sugar level multiple times, using a YSI 2300 glucose analyzer as a reference. The difference between the reference number and a number from a diabetes meter was the mean absolute relative difference. Of the meters tested, the FreeStyle Lite was the most accurate with a mean absolute relative difference of 4.9 percent. The FreeStyle Freedom Lite was the second-most accurate, with a mean absolute relative difference of 5.5 percent.

The study done by the Diabetes Technology Society tested how often a meter was within 15, 10 and 5 percent accuracy for blood glucose measurements over and under 100 milligrams. For measurements under 100 milligrams, the FreeStyle Lite was within 5 percent accuracy 93 percent of the time, and the FreeStyle Freedom Lite was within 5 percent accuracy 98 percent of the time. For measurements over 100 milligrams, the FreeStyle Lite was within 5 percent accuracy 86 percent of the time, and the FreeStyle Freedom Lite was within 5 percent accuracy 90 percent of the time. The FreeStyle Freedom Lite was within 10 percent accuracy 98 percent of the time on measurements over 100 milligrams. Both meters were within the remaining measurement guidelines 100 percent of the time.

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