Evidence map›Paper›PMID 38802272›Full record

ArticleBMJ open2024

Exploring the association between Frailty Index and low back pain in middle-aged and older Chinese adults: a cross-sectional analysis of data from the China Health and Retirement Longitudinal Study (CHARLS).

Lunxue Qing, Yingying Zhu, Lan Feng, Xiyou Wang, Ya-Nan Sun, Changhe Yu, Jinxia Ni

Abstract read
In one paragraph

Article in BMJ open, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed, 1 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

15 citing papers in PubMed, 1 synthesis or guideline pooled it.

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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

7 authors.

Lunxue Qing *The First Clinical College, Beijing University of Chinese Medicine, Beijing, China.ORCID 0009-0006-0852-5698
Yingying Zhu *The First Clinical College, Beijing University of Chinese Medicine, Beijing, China.
Lan FengBeijing University of Chinese Medicine Affiliated Dongzhimen Hospital, Beijing, China.
Xiyou WangBeijing University of Chinese Medicine Affiliated Dongzhimen Hospital, Beijing, China.
Ya-Nan SunTraditional Chinese Medicine Department, Xuanwu Hospital Capital Medical University, Beijing, China.
Changhe YuBeijing University of Chinese Medicine Affiliated Dongzhimen Hospital, Beijing, China nijinxia118@126.com yakno2@163.com.ORCID 0000-0002-2764-6229
Jinxia NiBeijing University of Chinese Medicine Affiliated Dongzhimen Hospital, Beijing, China nijinxia118@126.com yakno2@163.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesThis study explored the association between the Frailty Index (FI) and low back pain (LBP) in middle-aged and older Chinese adults. We hypothesised that a higher FI correlates with increased LBP prevalence.

designCross-sectional analysis.

settingThe study used data from the China Health and Retirement Longitudinal Study (CHARLS) across various regions of China.

participantsThe analysis included 6375 participants aged 45 and above with complete LBP and FI data from the CHARLS for 2011, 2013 and 2015. We excluded individuals under 45, those with incomplete LBP data, participants with fewer than 30 health deficit items and those missing covariate data. OUTCOME MEASURES: We constructed an FI consisting of 35 health deficits. Logistic multivariable regression examined the relationship between FI and LBP, using threshold analysis to identify inflection points. Sensitivity analyses were performed to ensure the robustness of the findings.

resultsOf the participants, 27.2% reported LBP. A U-shaped association was observed between FI and LBP, with the highest quartile (Q4, FI ≥0.23) showing more than a twofold increased risk of LBP (OR=2.90, 95% CI: 2.45-3.42, p<0.001). Stratified analysis showed a significant association in participants under 60, particularly in the lowest FI quartile (OR=1.43, 95% CI: 1.14 to 1.79). Sensitivity analysis upheld the robustness of the primary results.

conclusionsThe findings suggest a complex relationship between frailty and LBP, highlighting the need for early screening and tailored interventions to manage LBP in this demographic. Further research is necessary to understand the mechanisms of this association and to validate the findings through longitudinal studies.

Indexed as

FrailtyLow Back PainAgedAged, 80 and overChinaCross-Sectional StudiesEast Asian PeopleFemaleHumansLogistic ModelsLongitudinal StudiesMaleMiddle AgedPrevalenceRisk Factorsagingback painchinafrailtypublic health

Identifiers

PMID38802272
PMCPMC11131124

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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.