“…People with cognitive impairment were excluded from most studies, with only five studies including those with mild cognitive impairment [ 23 , 24 , 25 , 26 , 27 ] and three studies including adults with mild to moderate cognitive impairment [ 28 , 29 , 30 ]. The study locations varied within the hospital and included emergency departments [ 24 , 31 , 32 , 33 , 34 ], sub-acute/rehabilitation settings [ 27 , 28 , 29 , 30 , 35 ], orthopaedic units [ 26 , 36 , 37 ], oncology units [ 38 , 39 ] and a bone marrow transplantation unit [ 40 ], with the remainder occurring in acute care wards. Of these, four studies took place across a range of wards [ 41 , 42 , 43 , 44 ], and one study occurred in a seven-hospital multi-site study across multiple wards [ 45 ].…”