Validation of the Greek Version of the Confusion Assessment Method Diagnostic Algorithm (CAM) and the Nursing Delirium Screening Scale (Nu-DESC) and Their Inter-rater Reliablity

Two trained raters, who are blinded and have no access to each other's evaluation, administer the CAM and Nu-DESC questionnaires in each shift, during the first postoperative day after the discharge from the post-anaesthesia care unit, independently. The two assessments are completed within 60 minutes of each other. If the research team set the diagnosis of POD, the appropriate treatment will be initiated, according to the Hospital's protocol