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AI Detects Type 2 Diabetes From 20-Second Speech Sample

Clinical trials must confirm whether short voice recordings can safely and fairly triage people for diabetes

Overview

  • Researchers from thymia and RMIT presented results at the European Association for the Study of Diabetes in Milan showing a speech model trained on 63,283 recordings from 21,129 people.
  • In a UK validation of 7,319 adults the model assigned higher risk scores to people who reported having type 2 diabetes 80% of the time.
  • In a subgroup of 801 participants who did home HbA1c tests the model matched blood-test‑based diabetes status 75% of the time with sensitivity of 82% and a false positive rate of 47%.
  • Performance fell for recordings from Black participants and for people with heart disease, high blood pressure or obesity, highlighting representativeness and confounding issues that need fixing before rollout.
  • Authors disclosed multiple financial ties to thymia and say the tool is intended for remote triage to flag people for confirmatory blood tests rather than to replace laboratory diagnosis.