New Delhi, June 30 -- Microsoft has introduced a new artificial intelligence (AI) system that it says can diagnose some of the most difficult medical cases more accurately and at a lower cost than human doctors.

The system, called the Microsoft AI Diagnostic Orchestrator (MAI-DxO), was tested using case studies published by the New England Journal of Medicine (NEJM). These cases are known for being particularly complex and usually involve teams of specialists. According to Microsoft, the AI got the correct diagnosis 85.5 per cent of the time, compared to just 20 per cent for a group of experienced doctors from the US and UK.

As more people turn to digital tools for medical advice, the company says it sees over 50 million health-related ...