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Sarcopenia as a predictor of all-cause mortality among older nursing home residents: a systematic review and meta-analysis.


ABSTRACT:

Objectives

This study aims to review the evidence of sarcopenia as a predictor of all-cause mortality among nursing home residents.

Design

Systematic review and meta-analysis of observational cohort studies.

Data sources

PubMed, EMBASE and the Cochrane Library databases were searched for relevant articles.

Participants

Nursing home residents.

Primary and secondary outcome measures

All-cause mortality.

Data analysis

Summary-adjusted HRs or risk ratios (RRs) were calculated by fixed-effects model. The risk of bias was assessed by Newcastle-Ottawa Scale.

Results

Of 2292 studies identified through the systematic review, six studies (1494 participants) were included in the meta-analysis. Sarcopenia was significantly associated with a higher risk for all-cause mortality among nursing home residents (pooled HR 1.86, 95% CI 1.42 to 2.45, p<0.001, I2=0). In addition, the subgroup analysis demonstrated that sarcopenia was associated with all-cause mortality (pooled HR 1.87,95% CI 1.38 to 2.52, p<0.001) when studies with a follow-up period of 1 year or more were analysed; however, this was not found for studies with the follow-up period less than 1 year. Furthermore, sarcopenia was significantly associated with the risk of mortality among older nursing home residents when using bioelectrical impedance analysis to diagnosis muscle mass (pooled HR 1.88, 95% CI 1.39 to 2.53, p<0.001); whereas, it was not found when anthropometric measures were used to diagnosis muscle mass.

Conclusion

Sarcopenia is a significant predictor of all-cause mortality among older nursing home residents. Therefore, it is important to diagnose and treat sarcopenia to reduce mortality rates among nursing home residents.

Prospero registration number

CRD42018081668.

SUBMITTER: Zhang X 

PROVIDER: S-EPMC6252774 | biostudies-literature | 2018 Nov

REPOSITORIES: biostudies-literature

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Publications

Sarcopenia as a predictor of all-cause mortality among older nursing home residents: a systematic review and meta-analysis.

Zhang Xiaoming X   Wang Conghua C   Dou Qingli Q   Zhang Wenwu W   Yang Yunzhi Y   Xie Xiaohua X  

BMJ open 20181112 11


<h4>Objectives</h4>This study aims to review the evidence of sarcopenia as a predictor of all-cause mortality among nursing home residents.<h4>Design</h4>Systematic review and meta-analysis of observational cohort studies.<h4>Data sources</h4>PubMed, EMBASE and the Cochrane Library databases were searched for relevant articles.<h4>Participants</h4>Nursing home residents.<h4>Primary and secondary outcome measures</h4>All-cause mortality.<h4>Data analysis</h4>Summary-adjusted HRs or risk ratios (R  ...[more]

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