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To investigate the current distribution status and multimorbidity patterns of chronic diseases among the elderly population in China, and provide reference for formulating chronic disease management measures.
Based on the CHARLS database in 2020, a total of 10,635 elderly individuals aged 60 and above were included to investigate the prevalence trends of 15 common chronic diseases. The actual expected ratio (O/E) and agglomerative hierarchical clustering analysis were employed to explore the patterns of comorbidity.
The prevalence of chronic diseases among elderly people in China was 86.39%, with hypertension (48.49%), arthritis (43.12%), and stomach diseases (excluding tumors or cancer) (32.06%) being the main causes. The multimorbidity rate was 66.30%, and the top three coexisting diseases were "hypertension+arthritis" (22.28%, O/E=1.07), "hypertension+dyslipidemia" (20.25%, O/E=1.44), and "stomach disease+arthritis" (18.65%, O/E=1.35). The top three coexisting diseases were "hypertension+arthritis+dyslipidemia" (10.31%, O/E=1.70), "hypertension + dyslipidemia + heart disease" (9.70%, O/E=2.65), and "arthritis + stomach disease + hypertension" (9.49%, O/E=1.42). Agglomeration hierarchical cluster analysis was divided into clusters according to malignant tumors, emotional and mental diseases, " stroke + memory related diseases + Parkinson’s disease", "dyslipidemia + diabetes + hypertension + heart disease", "chronic lung disease + asthma + stomach disease + arthritis + liver disease +kidney disease", forming a multimorbidity model.
The overall prevalence of chronic diseases among elderly people in China is increasing year by year, and there is a clustering trend.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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