Method and apparatus for improving lag correction during in vivo measurement of analyte concentration with analyte concentration variability and range data

Abstract

Methods, devices, and systems are provided for correcting lag in measurements of glucose concentration level in interstitial fluid. A method includes defining a scaling factor for lag correction, receiving glucose data from the glucose sensor, the sensor data including historical glucose sensor data over a plurality of intervals, defining a probability density function of the glucose data over at least a portion of one of the plurality of intervals, determining a value of the scaling factor based on the probability density function and a normalized analyte variability ratio, and computing lag corrected values based on the determined value of the scaling factor. Numerous additional features are disclosed.

Dependencies are inferred from the claim text.