Demographic, psychological and clinical factors influencing postoperative pain and narcotic analgesic requirements in 162 patients undergoing elective operations under general anesthesia were studied. Eysencks Personality Questionnaire, Foulds Hostility Questionnaire, Zung’s Anxiety-Depression (self-rating) Scales and the 43 Item Life Events Inventory by Holmes and Rahe were used. Clinical correlates such as surgical department, outcome of the operation, patient’s knowledge of the diagnosis, were studied. Using multiple regression analysis the following results were obtained: postoperative pain levels increase with higher score of extroverted hostility (p = 0.038), abdominal surgery (p = 0.004), longer stay at hospital postoperatively (p = 0.15) and higher educational status (p = 0.13). Postoperative narcotic requirements increase with increased postoperative pain levels (p = 0.039) and preoccupation with pain postoperatively (p = 0.025), preoperative analgesic drug use (p= 0.017), abdominal surgery (p = 0.009) and longer stay at hospital preoperatively (p = 0.016). Also the department in which the patients were hospitalized influenced narcotic consumpt
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