title: Prognostic index: prediction of operative mortality in geriatric patients by use of stepwise logistic regression analysis.
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D006801:Humans; D007813:Laparotomy; D011379:Prognosis; D012044:Regression Analysis; D013514:Surgical Procedures, Operative / Q000401:mortality*