Abstract: Objective To determine the clinical characteristics and outcomes of the elderly patients with SARS.Methods Analyzed the data of elderly patients with SARS and compared with that of control group young and ltlt patients the youthful group.The dats was compared between the cured group and died group for analysis the characteristics of outcome of SARS.Results Among the elderly patients with SARS;low or middle fever,basal disease of cardiovascular were seen often（ P <0.01）;high fever,chills,pantalgia/myalgia,diarrhea.hypodynamia were seen rarely（ P <0.05）,PaO₂<50mmHg（ P < 0.01）, diarrhea（ P <0.05）were seen often in the died group.Conclusion In the elderly patients with SARS,low or middle fever is common and combined with less systemic poisoning symptoms.Obviously decline of PaO₂,diarrhea were the most important comtribation factors on for die.

Key words: SARS, Elderly, Prognosis