Most of the blood glucose meters coming out these days are accurate, but due to the nature of the machine, there may be an error of about 10 to 15% from the value measured at the hospital. There are several reasons. For example, in self-monitoring blood glucose, blood is exposed to the air, but in hospitals, since blood is collected with a syringe, differences in air exposure can occur.
If the test strip is exposed to air for a long time, the accuracy decreases. If possible, it should be used up within 3 months after opening, and the cap should be closed immediately after taking out the test strip. In addition, a sufficient amount of blood must be smeared on the test paper to determine the accurate value. If possible, adjust the lancing device so that a sufficient amount of blood is drawn at one time.
Device failure can also be a cause. Check if foreign substances are accumulated inside the blood glucose meter and keep it clean at all times. The Korea Diabetes Association recommends that you measure and compare your blood sugar with a blood glucose meter on the day of your blood test at the hospital. An error within 10-15% is normal, so use it with confidence, and if it is more than that, contact the manufacturer.
Source: 코메디닷컴 by kormedi.com.
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