Type 1 diabetes

Combined Use of Glucose-Specific Model Identification and Alarm Strategy Based on Prediction-Funnel to Improve Online Forecasting of Hypoglycemic Events

J Diabetes Sci TechnolPublished Algorithm development and evaluation study

Authors' conclusion

The combined use of a glucose-specific metric and an alarm-raising strategy based on the prediction-funnel allows achieving a more effective and reliable hypoglycemia prediction algorithm.

Study context

Population
Individuals with T1D (real dataset)
Participants
11 individuals
Comparison
gMSE cost function plus prediction-funnel alarm strategy vs conventional approach (mean square error (MSE) and single prediction horizon)
Outcome
Hypoglycemia prediction performance
Methodological detailsARIMAX models, real dataset
  • ARIMAX models
  • Real dataset

Main finding

As reported in the abstract

GroupPrecisionRecallF1-scoreFalse positives per dayMean time gain
gMSE + prediction-funnel65%88%75%0.2915 minutes

gMSE + prediction-funnel

Precision65%
Recall88%
F1-score75%
False positives per day0.29
Mean time gain15 minutes

Original publication

Combined Use of Glucose-Specific Model Identification and Alarm Strategy Based on Prediction-Funnel to Improve Online Forecasting of Hypoglycemic Events. J Diabetes Sci Technol. Published 24 May 2022. doi:10.1177/19322968221093665

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