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To analyze the spatial and temporal distribution characteristics and changing trends of newly reported HIV / AIDS cases aged 50 years and over in Guizhou Province from 2018 to 2023, and to provide scientific basis for ≥50 years old AIDS prevention and control.
Using the database of the AIDS comprehensive prevention and control data information system, the newly reported cases aged 50 years and over from 2018 to 2023 were screened out, and their demographic characteristics were analyzed. Then use ArcGIS software for spatial autocorrelation analysis.
From 2018 to 2023, the proportion of HIV/AIDS cases aged 50 and above in Guizhou Province increased from 46.91% in 2018 to 56.99% in 2023, and the proportion increased year by year(trend χ2=249.968, P<0.001),and the distribution of local areas was concentrated.The global Moran ’s I was between 0.336 3 and 0.395 0(P<0.001). It showed that there was a global spatial autocorrelation in 2018-2023. SatScan showed six clusters, among which Puding, Xixiu, Zhenning, Liuzhi, Zhijin and Guanling were the most likely to gather (RR=2.990, LLR=1 222.719), which was also highly consistent with the results of spatial autocorrelation analysis.
The newly-discovered HIV / AIDS patients aged 50 and above in Guizhou Province in recent years have spatial clustering, mainly concentrated in the central and western and southern regions of Guizhou Province. It is recommended to strengthen the comprehensive prevention and control of AIDS in areas with high incidence of epidemic, especially to carry out targeted preventive measures in time in areas with a trend of spread.
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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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