Method and apparatus for improving lag correction during in vivo measurement of analyte concentration with analyte concentration variability and range data
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United States of America Patent
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Mar 6, 2018
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app pub date -
Sep 18, 2013
filing date -
Sep 26, 2012
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Abstract
Methods, devices, and systems are provided for correcting lag in measurements of analyte concentration level in interstitial fluid. The invention includes receiving a signal representative of sensor data from an analyte monitoring system related to an analyte level measured over time, computing rates of change of the sensor data for a time period of the sensor data, computing a rate distribution of the rates of change, transforming the rate distribution into a linear arrangement, determining a best-fit line for the transformed rate distribution, computing a slope of the best-fit line; and using the slope of the best-fit line as a representation of a variability of the analyte level to adjust an amount of lag correction applied to the sensor data. Numerous additional features are disclosed.
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