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Cause of Death among Young-old, Old-old and Oldest-old Patients in a Single Center During 15 Years



Objective: The purpose of this study is to identify the cause of death in elderly patients stratified by age in a general hospital during 15 years.

Methods: The authors retrospectively analyzed the cause of death in a cohort of deceased patients aged 65 years and over, who were divided into three groups as young-old (65-74 yrs, n=1050), old-old (75-84 yrs, n=944), and oldest-old (≥85 yrs, n=344), and who were admitted to a general hospital in Beijing from May 1996 till May 2011.

Results: There are totally 2338 patients (1409 male, 929 female) aged 65 years and older admitted to and eventually died in our hospital in this period. The 5 major cause of death by the order were neoplasm (777, 33.2%), circulatory (648, 27.7%), respiratory (541, 23.1%), digestive (163, 7.0%) diseases and injuries (70, 3.0%). However, in the oldest old group, they were respiratory (126, 36.6%), circulatory (95, 27.6%), neoplasm (61, 17.7%), digestive (28, 8.1%) diseases and injuries (26, 7.6%). The proportion of patients died by neoplasm is significantly lower, while that of respiratory system diseases and injuries significantly higher in the older groups than in the younger groups (P<0.01). The proportion of patients died by neoplasm is negatively correlated with age (r=-0.938, P=0.000), while that by respiratory diseases was positively correlated with age (r=0.785, P=0.000).

Conclusion: More attention should be paid to the prevention and management of neoplasm for younger group, while of respiratory system diseases for older group of elderly to fulfill their longevity.


04 Mar, 2015
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e-Published: 09 Nov, 2015


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