With the recent advances in surgery due to developments in medicine, science and technology, the use of complex and enhanced equipment has improved patient care and safety. However, the use of excess anaesthetic gas, radiation, electrical and electronic equipment in the operating room, and the risk of infection and drug addiction are increasing, threatening the safety of patients and perioperative healthcare workers (Hey & Turner, 2016;Edozien, 2005). Therefore, it is ideal that perioperative nurses be sensitive to environmental factors along with awareness of patient safety and carry out preventive activities by acquiring updated knowledge of patient safety risk factors.Concerning patients' safety, risk assessment behaviours and accident types have been identified by looking at human factors (e.g. communication and behaviour according to the patient's situation; Carbral