Artificial intelligence (AI) software used by hospitals to help diagnose and evaluate COVID-19 has drawn mixed reviews.
AI companies have claimed 96% or higher accuracy in detecting COVID-19 in lung scans, but researchers doubt that accuracy can be replicated in real-world conditions, since the algorithms are trained on scans from patients who did not necessarily have COVID-19.
San Raffaele Hospital in Milan, Italy, has been trying AI software from three different vendors to help assess X-rays and CT scans. Researchers immediately found errors in one system, which made the disease look worse than it was.
“The problem is this software has been built … not for COVID, but for tuberculosis,” said Francesco De Cobelli, head of radiology at the hospital. The system was retrained using hundreds of X-rays of COVID- 19 patients, and the issue has been fixed.
From The Wall Street Journal
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