3Leong I Y,Tai D Y. Is increasing age associated with mortality in the critically ill elderly[J]. Singapore Med J, 2002,43(1) :33-36.
4Knaus W A,Draper E A,Wagner D P, et al. APACHE Ⅱ:a severity of disease classification system[J].Crit Care Med, 1985,13(10) :818-829.
5Mayer-Oakes S A,Oye R K,Leake B. Predictors of mortality in older patients following medical intensive care : the importance of functional status[J].J Am Geriatr Soc, 1991,39 (9):862-868.
6Wong D T,Crofts S L,Gomez M,et al. Evaluation of predictive ability of APACHE Ⅱ system and hospital outcome in Canadian intensive care unit patients[J]. Crit Care Med,1995,23(7):1177-1183.
7Wu A W, Rubin H R, Rosen M J. Are elderly people less responsive to intensive care[J]? J Am Geriatr Soc, 1990,38(6) : 621-627.
8Rockwood K,Noseworthy T W,Gibney R T,et al. One-year outcome of elderly and young patients admitted to intensive care units[J]. Crit Care Med, 1993,21 (5) : 687-691.
9Castillo-Lorente E, Rivera-Fernandez R, Vazquez-Mata G. Limitation of therapeutic activity in elderly critically ill patients,project for the epidemiological analysis of critical care patients[J].Crit Care Med, 1997, 25(10): 1643-1648.
10McClish D K,Powell S H,Montenegro H,et al. The impact of age on utilization of intensive care resources [J]. J Am Geriatr Soc, 1987, 35 (11): 983-988.
