Original Study| Volume 22, ISSUE 3, P606.e1-606.e6, March 2021

Does the Impact of Frailty on All-Cause Mortality in Older Persons Differ Between Women and Men? A Meta-Analysis



      Sex-specific impact of frailty on all-cause mortality in older age population remains controversial. This meta-analysis aimed to evaluate the association between frailty and all-cause mortality in older age women vs men from the general population.



      Setting and Participants

      PubMed and Embase databases were searched until March 25, 2020 for studies reporting sex-specific association of frailty phenotype or index with all-cause mortality among the older general population (age ≥60 years) in the same study.


      All-cause mortality for the frail vs robust individuals.


      Eight studies enrolling a total of 87, 000 individuals were identified. Using the frailty phenotype, the pooled risk ratio of all-cause mortality was 2.41 [95% confidence interval (CI) 2.07–2.80] for frail women and 2.94 (95% CI 2.12–4.09) for frail men. Using the frailty index, the pooled risk ratio of all-cause mortality was 3.23 (95% CI 2.16–4.83) for frail women and 2.63 (95% CI 2.33–2.98) for frail men. The pooled female-to-male ratio of relative risks was 0.93 (95% CI 0.76–1.13) for the frailty phenotype and 1.22 (95% CI 0.79–1.88) for the frailty index.

      Conclusions and Implications

      Older men and women with frailty confer a higher risk of all-cause mortality in the general population from the same source. However, there is no significant sex difference in the association between phenotype or index and all-cause mortality.


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