 Despite recent advances in postoperative delirium research, the proportion of children with postoperative delirium is still high. Although postoperative delirium is a frequent complication and is associated with the need for more inpatient hospital care and longer length of hospital stay, little is known about risk factors for recovery room delirium RRD occurred in postanaesthesia care unit. The aim of the study was to determine pre- and intraoperative risk factors for the development of RRD among children undergoing non cardiovascular surgery. 