Figure 25-1 Estimated risk of hospital mortality in relation to age, preoperative disease, and surgery. Elective surgery, top triangles; emergency surgery, bottom triangles. (From Pedersen T, Eliasen K, Henriksen E: A prospective study of mortality associated with anaesthesia and surgery: Risk indicators of mortality in hospital. Acta Anaesthesiol Scand 34:176, 1990.)


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