A total of 161 acute trusts across England were examined by the CQC against more than 150 indicators.
The screen aims to identify which trusts need the most rapid CQC inspections and where inspectors need to focus their attention.
All 161 trusts were divided into six bands, with band 1 being the highest risk and band 6 the lowest.
There were 44 trusts in the two bands with the highest risk, with 24 trusts in the highest possible band 1.
Nearly a quarter of hospitals have been identified as providing poor quality care in a report from the health watchdog.
Almost a quarter of NHS trusts in England have been identified as high risk, see the full list of the Trusts and what risk