Diabetes technology

Continuous Glucose Monitoring and Recreational Scuba Diving in Type 1 Diabetes: Head-to-Head Comparison Between Free Style Libre 3 and Dexcom G7 Performance

Diabetes Technol TherPublished Diagnostic accuracy study

Authors' conclusion

The study reveals Free Style Libre 3 superior accuracy compared with Dexcom G7 in a setting of repetitive scuba diving in T1DM, except for hypoglycemic range. Both sensors fail to achieve accuracy for nonadjunctive use.

Study context

Population
Patients with T1D performing repetitive recreational scuba diving under a safety protocol, Diabete Sommerso® association event, 2023202 dives
Participants
13 patients
Comparison
Dexcom G7 vs FreeStyle Libre 3 during repetitive scuba diving
Outcome
Sensor accuracy: MARD, MeARD and surveillance error grid vs capillary glucose
Methodological detailshead-to-head comparison, capillary glucose reference standard
  • Head-to-head comparison
  • Capillary glucose reference standard

Performance

As reported in the abstract

Sensor accuracy vs capillary glucose

MARD

MeARD

SEG no-risk zone

Further findings

OutcomeDexcom G7Free Style Libre 3
Hypoglycemia identification
Diagnostic OR58.95254.10

Original publication

Continuous Glucose Monitoring and Recreational Scuba Diving in Type 1 Diabetes: Head-to-Head Comparison Between Free Style Libre 3 and Dexcom G7 Performance. Diabetes Technol Ther. Published 11 June 2024. doi:10.1089/dia.2024.0126

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