![]() ![]() TrueTest and TrueBalance also remained accurate. Bayer Breeze 2 were most accurate, followed by One Touch Ultra. Four brands were still accurate after 5 years.The results of most “normal” readings were 10–15% lower than with unexpired strips.Most test strips that expired at least 5 years ago were less precise and accurate.Those that expired 3 years ago gave false low readings. Precision Xtra strips that expired 2 years ago were not accurate or precise.Most strips that expired 2 years previously were accurate, except for Precision Xtra:.There was no significant difference between the accuracy of unexpired strips and those that had been expired for up to 1 year.The accuracy of the test strips depended on:.Statistics were used to test the accuracy of each strip. ![]() Test trips were tested three times in each control solution.Three control solutions were used: normal, high, and low concentration glucose solutions.The expired strips were compared with the same brand unexpired strips.They used test strips from different manufacturers that had been expired for 1, 2, 3, 4, or 5 years.The design and results of their study are shown below. Are you wasting money if you throw away expired strips? Are they still accurate if you use them after they have expired? These are important questions to ask if you cannot afford new test strips, or want to use old ones.Ī company named Glucomart performed some tests to help answer these questions. ![]()
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