Journal of endocrinological investigation · 2023
Does vitamin D deficiency affect functional outcomes in hip fracture patients? A meta-analysis of cohort studies.
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Llombart R, Mariscal G, Barrios C, de la Rubia Ortí J E, Llombart-Ais R
Аннотация
BACKGROUND: Vitamin D deficiency is common in patients with hip fractures and may negatively affect functional recovery and quality of life (QOL).
OBJECTIVE: This study aimed to conduct a meta-analysis to quantify the effects of vitamin D deficiency on physical function and quality of life after hip fractures.
METHODS: The PubMed, EMBASE, Scopus, and Cochrane Library databases were searched for relevant studies. The inclusion criteria were hip fracture, comparison between vitamin D deficiency and normal vitamin D levels in patients with hip fracture, and functional outcome as the primary outcome. The exclusion criteria were case reports, reviews, duplicates, studies with a high risk of bias, and non-comparable or missing data. Two independent reviewers selected studies, extracted data, assessed bias, and performed meta-analyses using the Review Manager. Heterogeneity and publication bias were also assessed. Two independent reviewers selected the studies, extracted data, and assessed the risk of bias. We performed a meta-analysis using Review Manager and assessed heterogeneity and publication bias.
RESULTS: Seven studies with 1,972 patients were included. Vitamin D deficiency was defined as a 25(OH)D level < 20 ng/mL. There were no significant differences in the ability to walk (OR 0.68, 95% CI 0.31-1.53, I2 = 69%) or length of hospital stay (MD 2.27 days, 95% CI - 2.47 to 7.01, I2 = 93%) between patients with and without vitamin D deficiency. However, patients with vitamin D deficiency had significantly worse functional ability and quality of life (SMD - 1.50, 95% CI - 2.88 to - 0.12, I2 = 96%).
CONCLUSIONS: Despite the limitations of this study, such as small sample size, heterogeneous outcome assessments, and variable vitamin D measurement techniques, the results demonstrated that screening for vitamin D status and optimizing levels through supplementation could facilitate rehabilitation, promote lifestyle changes, aid in the recovery of independence, and help reduce long-term burdens.
OBJECTIVE: This study aimed to conduct a meta-analysis to quantify the effects of vitamin D deficiency on physical function and quality of life after hip fractures.
METHODS: The PubMed, EMBASE, Scopus, and Cochrane Library databases were searched for relevant studies. The inclusion criteria were hip fracture, comparison between vitamin D deficiency and normal vitamin D levels in patients with hip fracture, and functional outcome as the primary outcome. The exclusion criteria were case reports, reviews, duplicates, studies with a high risk of bias, and non-comparable or missing data. Two independent reviewers selected studies, extracted data, assessed bias, and performed meta-analyses using the Review Manager. Heterogeneity and publication bias were also assessed. Two independent reviewers selected the studies, extracted data, and assessed the risk of bias. We performed a meta-analysis using Review Manager and assessed heterogeneity and publication bias.
RESULTS: Seven studies with 1,972 patients were included. Vitamin D deficiency was defined as a 25(OH)D level < 20 ng/mL. There were no significant differences in the ability to walk (OR 0.68, 95% CI 0.31-1.53, I2 = 69%) or length of hospital stay (MD 2.27 days, 95% CI - 2.47 to 7.01, I2 = 93%) between patients with and without vitamin D deficiency. However, patients with vitamin D deficiency had significantly worse functional ability and quality of life (SMD - 1.50, 95% CI - 2.88 to - 0.12, I2 = 96%).
CONCLUSIONS: Despite the limitations of this study, such as small sample size, heterogeneous outcome assessments, and variable vitamin D measurement techniques, the results demonstrated that screening for vitamin D status and optimizing levels through supplementation could facilitate rehabilitation, promote lifestyle changes, aid in the recovery of independence, and help reduce long-term burdens.