[A 6-year follow-up observation on 171 senile patients].
D000368:Aged; D001806:Blood Urea Nitrogen; D001835:Body Weight; D002681:China; D003327:Coronary Disease / Q000453:epidemiology*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D002537:Intracranial Arteriosclerosis / Q000453:epidemiology*; D008297:Male; D008516:Medicine, Chinese Traditional; D008518:Medicine, East Asian Traditional; D011379:Prognosis; D012141:Respiratory Tract Infections / Q000453:epidemiology*