What question did this study set out to answer?

The aim was to assess the accuracy and precision of hospital-based glucose meters under conditions likely impacting critically ill patients.

Evaluation of the Impact of Hematocrit and Other Interference on the Accuracy of Hospital-Based Glucose Meters

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Randomized trial evaluates glucose meter performance in critically ill patients, highlighting accuracy concerns.

The aim was to assess the accuracy and precision of hospital-based glucose meters under conditions likely impacting critically ill patients.
Four hospital-based glucose meters were evaluated for precision and accuracy.
Results from whole blood specimens were compared to plasma samples analyzed by a hexokinase reference method.
Interferences from substances like ascorbic acid and levels of hematocrit were assessed.
Precision of glucose meters was acceptable with minor differences across devices.
Significant variability in correlation to the hexokinase method was observed among meters.
Hematocrit levels impacted glucose meter accuracy, particularly in three of the four tested technologies.

Karon et al. (2008) studied this question.

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