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Chapter and Conference Paper
On a Class QL-Implications
In this work, we introduce a class QL-operators based on the family of Schweizer-sklar t-norms and t-conorms. Firstly, we have shown that not all QL-operations are fuzzy implications. Moreover, It was given that ...
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Article
Open AccessChanges in frailty and depressive symptoms among middle-aged and older Chinese people: a nationwide cohort study
The older people bears a severe burden of disease due to frailty and depressive symptoms, however, the results of association between the two in the older Chinese people have been conflicting. Therefore, this ...
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Article
The prevalence and influencing factors of frailty in patients with chronic kidney disease: a systematic review and meta-analysis
To investigate the prevalence and influencing factors of frailty and pre-frailty in chronic kidney disease (CKD) patients and thereby provide a scientific basis for effective avoidance of frailty in patients w...
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Article
Open AccessThe causal relationship between sleep disturbances and the risk of frailty: a two-sample Mendelian randomization study
Adequate sleep is closely related to people's health. However, with increasing age, the quality of sleep worsens. At the same time, among elderly individuals, frailty is also a disturbing factor, which makes e...