“…Most of the studies ( n = 8; 32%) were carried out in orthopedic surgery, 35 , 37 , 38 , 41 , 44 , 47 , 49 , 52 followed by five (20%) studies each that included multiple units 43 , 53 – 56 and general surgery 39 , 42 , 46 , 50 , 51 ( Table 1 ). Three studies (12%) were conducted in bariatric surgical units, 33 , 34 , 40 and two (8%) each in cardiothoracic 36 , 48 and transplant units. 32 , 45 The majority of studies were published in 2019 onward, except for one each in 2015, 54 2016, 48 and 2018.…”