The last care worker charged with ill-treating patients at Winterbourne View Hospital near Bristol has appeared in court to plead guilty.
It means 11 members of staff have now admitted abusing or neglecting vulnerable mental health patients.
Ann Reddrop from the Crown Prosecution Service read out the following statement outside Bristol Crown Court:
A report into the care of people with learning disabilities has called for "immediate action" to protect patients.
A serious case review into abuse at the Winterbourne View care home in South Gloucestershire has been published today.
Mencap and the Challenging Behaviour Foundation say they've received 260 reports of ill-treatment in other care homes.