“…When inclusion and exclusion criteria were applied, 31 publications remained for assessment. 6,8,9,11,17, Most included studies were observational (14 prospective, 6,17,23,[26][27][28][29][30]33,35,37,41,44,47 6 propensity matched, 22,24,25,36,40,42 10 retrospective 8,9,11,31,32,34,38,43,45,46 ), with only one randomized controlled trial. 39 Differences in the differential diagnosis between POD and other comparable cognitive disorders, including dementia, depression, and schizophrenia, are summarized in Table 1.…”