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To investigate the prevalence of chronic pain in the elderly in Nanshan Pastoral area of Xinjiang, explore the influence of chronic pain degree on cognitive function, and the mediating role of depression and frailty.
From June 2022 to February 2023, 1 045 elderly patients ≥60 in Nanshan Pastoral area of Xinjiang were selected by multi-stage random cluster sampling method. The General Information Questionnaire, Pain Numerical Rating Scale, Geriatric Depression Assessment Scale, Tilburg Frailty Scale and Montreal Cognitive Assessment Scale were used to conduct the questionnaire survey.
The prevalence rate of chronic pain in the elderly in Nanshan pastoral area of Xinjiang was 67.27% (703/1 045). The degree of chronic pain was positively correlated with depression and frailty (r=0.472, 0.512, P<0.01), and negatively correlated with cognitive function (r=-0.432, P<0.01). Depression and frailty had significant mediating effect between chronic pain degree and cognitive function. The intermediate effects were -0.134 (95% CI:-0.194--0.074) and -0.145 (95% CI: -0.193--0.101), respectively. The mediating effect of depression-debilitation chain was also significant, and the mediating effect size was -0.121 (95% CI:-0.165--0.083). The total indirect effect of depression and frailty on the degree of chronic pain and cognitive function was -0.400, accounting for 53.33% of the total effect.
The degree of chronic pain not only directly affects the cognitive function of the elderly in Nanshan pastoral area of Xinjiang, but also indirectly affects the cognitive function through the independent mediating effect of depression and frailty and the chain mediating effect of depression and frailty.
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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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