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System and method for optimizing the frequency of data collection and thresholds for deterioration detection algorithm

  • US 10,039,451 B2
  • Filed: 11/25/2013
  • Issued: 08/07/2018
  • Est. Priority Date: 12/03/2012
  • Status: Active Grant
First Claim
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1. A patient monitoring system comprising:

  • one or more sensors configured to sample patient data of a patient;

    a controller configured to receive the sampled patient data from the one or more sensors, the controller programmed to;

    control the one or more sensors to sample the patient data with a sampling frequency;

    determine a patient status with the sampled patient data;

    determine a baseline of the sampled patient data;

    calculate a propensity score for deterioration and probability thresholds based on the baseline of the sampled patient data;

    calculate an initial probability curve from the propensity score and the probability thresholds;

    determine at least one of a predisposition for a deterioration event and a probability of deterioration used to optimize the sampling frequency of the one or more sensors based on the patient status and based on the calculated initial probability curve;

    adjust the sampling frequency based on the determined predisposition for the deterioration event and the probability of deterioration; and

    control the one or more sensors to sample the sampled patient data at the adjusted sampling frequency.

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