U.K., Sept. 22 -- A new study led by researchers at University College London (UCL) has found that severe mental illness diagnoses are being missed in over a quarter of patients when they're admitted to hospital for other conditions. The percentage is higher in people from ethnic minorities.

The study involved 13,786 adults who had been diagnosed with severe mental illnesses including bipolar disorder and schizophrenia between 2006 and 2017. Researchers linked this data to 45,706 emergency hospital admissions for the same people over the same period, to see whether the conditions were recorded when they were admitted to hospital for a separate health issue.

In 2006 mental illnesses were missed more than half the time (48%), however this ...