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To analyze the internal structure and influencing factors of hospitalization expenses for rare disease patients at different medical levels in Jiangxi Province’s “Health Expenditure Accounting System 2011” (SHA2011) sentinel hospitals, providing references for rare disease treatment in Jiangxi Province and its healthcare institutions.
Data on rare disease patients from 2018 to 2022 were collected from the sample hospitals in Jiangxi Province. Structural variation analysis and grey correlation analysis were employed to examine changes in the internal composition of hospitalization expenses and their interrelationships, while a random forest model was used to identify factors influencing the average total cost per hospitalization case.
From 2018 to 2022, the average hospitalization costs per case were 19 082.70 yuan (provincial), 8 175.29 yuan (municipal), and 6 586.23 yuan (county/district). The random forest model revealed that medication fees and diagnostic examination fees were key factors affecting rare disease hospitalization costs, with structural variation values of -3.15, -1.79, and 5.30 for medication fees, and -3.86, 5.48, and 2.16 for diagnostic examination fees at provincial, municipal, and county/district levels, respectively. Grey correlation analysis showed that surgical fees and nursing fees had low correlation degrees with hospitalization costs across all levels, ranking between 7th and 8th.
From 2018 to 2022, hospitalization expenses at all levels exhibit fluctuating trends but remained generally high. Medication fees and diagnostic examination fees are critical influencing factors, though their structural variation trends and contribution rates differed significantly across hospital tiers. Additionally, surgical and nursing fees demonstrate consistently low correlation with hospitalization costs at all levels.
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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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