Liquid biopsy tests, blood tests with the potential to detect up to 50 types of cancers, are being embraced by some in the health care community but viewed with careful consideration by others.
In this episode, Jason Oke, medical statistician and lecturer at the University of Oxford’s Centre for Evidence-based Medicine, discusses the promise of these multi-cancer, early detection tests, alongside their limitations when it comes to real world application. He explains how effective screening tests of all kinds are measured, shares data from randomized trials that early detection tests show, and reveals how sensitivity, specificity, over-diagnosis and “healthy screenee bias” contribute to test value.