Evidence map›Paper›PMID 41368319›Full record

SynthesisFrontiers in medicine2025

Impact of frailty on postoperative complications in older adults after hip fracture: a systematic review of observational studies.

Peng Tian, Yi Yang, Tianjiao He, Liping Wang, Qiurong Zhang, Yingying Cai

Abstract readSystematic Review
In one paragraph

Synthesis in Frontiers in medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed, 2 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

6 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
  3. Article
  4. Article
  5. Article
  6. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Peng TianDepartment of Geriatrics, The First Affiliated Hospital of Chengdu Medical College, Chengdu Medical College, Chengdu, Sichuan, China.
Yi YangDepartment of Geriatrics, The First Affiliated Hospital of Chengdu Medical College, Chengdu Medical College, Chengdu, Sichuan, China.
Tianjiao HeDepartment of Geriatrics, The First Affiliated Hospital of Chengdu Medical College, Chengdu Medical College, Chengdu, Sichuan, China.
Liping WangDepartment of Geriatrics, The First Affiliated Hospital of Chengdu Medical College, Chengdu Medical College, Chengdu, Sichuan, China.
Qiurong ZhangDepartment of Geriatrics, The First Affiliated Hospital of Chengdu Medical College, Chengdu Medical College, Chengdu, Sichuan, China.
Yingying CaiDepartment of Geriatrics, The First Affiliated Hospital of Chengdu Medical College, Chengdu Medical College, Chengdu, Sichuan, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Purpose: Frailty, a common syndrome involving multisystem impairment in older adults, is a significant preoperative concern for hip fracture patients. However, its specific link to postoperative complications remains unclear. This systematic review and meta-analysis investigates the association between preoperative frailty and adverse surgical outcomes in this geriatric population. Methods: We comprehensively searched several databases, including China National Knowledge Infrastructure PubMed, Embase, Web of Science, (China National Knowledge Infrastructure, CNKI), Wanfang, VIP and the Cochrane Library from January 1, 2000, to September 2024. We focused on cohort studies that examine how frailty affects prognosis after hip fracture surgery in older adults. Two researchers independently screened literature, extracted data, and assessed the quality of included studies using the Newcastle-Ottawa Scale (NOS). We used Stata 15.0 to perform the meta-analyses. Results: This review included 27 cohort studies, consisting of 19 retrospective and 8 prospective studies, involving a total of 243,264 patients. When compared to non-frail patients, frailty statistically significantly increases the risk of postoperative mortality following hip fracture. Specifically, frailty is associated within-hospital mortality [(relative risk, RR) = 3.20, 95% (confidence interval, CI): 1.93, 5.31], 30-day mortality (RR = 3.91, 95%CI: 1.89, 8.07), and 1-year mortality (RR = 1.50, 95%CI: 1.39, 1.61). Frailty also increases the rate of complications (RR = 2.81, 95%CI: 1.67, 4.74), postoperative delirium (RR = 4.44, 95%CI: 2.34, 8.41), pneumonia (RR = 4.09, 95%CI: 2.39, 7.01), and 30-day readmission (RR = 1.75, 95%CI: 1.56, 1.96). Conclusion: Frailty increases both short-term and long-term mortality following hip fracture surgery in older patients. Additionally, frailty is associated with a higher overall rate of complications, including the 30-day readmission.

Indexed as

frailtyhip fracturemortalityobservational studiessystematic review

Identifiers

PMID41368319
PMCPMC12682881

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.