Annals of surgery
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To define risk factors that predict adverse outcomes after proctectomy for cancer in Department of Veterans Affairs Medical Centers. ⋯ Mortality rates after proctectomy in VA hospitals are comparable to those reported in other large series. Most postsurgical complications are associated with an increased 30-day mortality rate. Elevated presurgical blood urea nitrogen level, impaired sensorium, low serum albumin concentration, and partial thromboplastin time < or =25 seconds predict a high risk of 30-day mortality.