Abstract
Background
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 with CKD.
Methods
PubMed, EMBASE, Web of Science, EBSCO, Cochrane Library, CNKI, VIP, CBMdisc, and Wanfang databases were searched for relevant studies published till December 31, 2021. The summary results were described as odds ratios (ORs) or standardized mean differences (SMDs) with 95% confidence intervals (CIs). A meta-analysis was performed using StataSE12.0.
Results
Fifteen published studies, which enrolled a total of 3294 CKD patients, met the inclusion criteria. The combined prevalence of frailty in CKD patients was 38.1% (95% CI 29.7–46.5%) and pre-frailty was 37.9% (95% CI 32.7–43.1%). The main factors influencing frailty in CKD patients were age (SMD 0.524, 95% CI 0.326–0.723), diastolic blood pressure (SMD − 0.294, 95% CI − 0.518 to − 0.071), body mass index (BMI) (SMD − 0.267, 95% CI − 0.471 to − 0.064), grip strength (SMD − 0.929, 95% CI − 1.233 to − 0.626), hemoglobin level (SMD − 0.346, 95% CI − 0.448 to − 0.243), serum albumin level (SMD − 0.533, 95% CI − 0.655 to − 0.411), Charlson Comorbidity Index (SMD 0.421, 95% CI 0.150–0.692), multiple medications (SMD 0.625, 95% CI 0.354–0.895), Mini-Mental State Examination (MMSE) score (SMD − 0.563, 95% CI − 0.846 to − 0.280), and female (OR 2.391, 95% CI 1.236–4.627).
Conclusion
Frailty is common in CKD patients. The prevalence of frailty among CKD patients was related to age, diastolic blood pressure, BMI, grip strength, hemoglobin and serum albumin levels, Charlson Comorbidity Index, multiple medications, MMSE score, and female.
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Data availability
The data that support the findings of this study are available from the corresponding author upon reasonable request.
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Acknowledgements
The authors would like to thank all researchers who participated in this meta-analysis.
Funding
This work was supported by the provincial project of Undergraduate Innovation and Entrepreneurship Training Program of Anhui Medical University in 2021 [grant number S202110366100] and a grant from the Seedling cultivation programme of the School of Nursing, Anhui Medical University in 2023 [grant number hlqm12023043].
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All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by B-HL, NS, M-YZ, Z-RL, D-GW and G-CW. Carried out the conversion of the data were performed by R-XF and W-JL. The first draft of the manuscript was written by B-HL and all authors commented on previous versions of the manuscript. Revised manuscripts were performed by D-GW and G-CW. All authors read and approved the final manuscript. None of the authors reported a conflict of interest related to the study.
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Li, BH., Sang, N., Zhang, MY. et al. The prevalence and influencing factors of frailty in patients with chronic kidney disease: a systematic review and meta-analysis. Int Urol Nephrol 56, 767–779 (2024). https://doi.org/10.1007/s11255-023-03739-2
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DOI: https://doi.org/10.1007/s11255-023-03739-2