“…A low effect size was found for the facial expression item of the BPS (Ribeiro et al, 2019) and a grimace score of 2 and muscle rigidity score of 2 on the CPOT were not frequently observed (Joffe, McNulty, Boitor, Marsh, & Gélinas, 2016) raising attention about suitability of these items in this specific ICU population. In alignment with these findings, recent evidence has shown that braininjured ICU patients express unique behaviors (Arbour et al, 2014;Roulin & Ramelet, 2014), and guidelines highlighted the need to revise behavioral pain scales to make their content more suitable to these patients (Barr et al, 2013;Devlin et al, 2018).…”