“…They represent a 'low volume, high needs, high cost' group with difficult-to-treat illness and frequent comorbidity, who often require longer admissions and ongoing specialist mental health support to successfully live in the community after discharge. 2,3,7 Patients are often referred to rehabilitation services when their complex mental health needs mean they cannot be successfully discharged from an acute ward while further progress seems unlikely, at least in the time frame that these services operate to. They are typically unable to progress in their recovery and require intensive support, often in a structured environment, to overcome their disabilities, or are transitioning from a more-to a less-supportive environment.…”