 In March 2015, Dr Foster Intelligence was sold to Australian communications company Telstra Corporation for between £10m and £20m.In January 2001, Dr Foster published its first Hospital Guide in the Sunday Times; it included mortality data using the Hospital Standardised Mortality Ratio (HSMR) for every hospital.This was the first time that such a comparative measure of quality had been published for a national health economy anywhere in the world and it revealed widespread variation in adjusted death rates between English hospitals.