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    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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