Evidence map›Paper›PMID 40685166›Full record

ArticleKorean journal of anesthesiology2025

Role of frailty in predicting postoperative pulmonary complications in older patients undergoing major abdominal surgery: a retrospective cohort study.

Chun-Qing Li, Jia-Hui Ma, Zhen-Zhen Liu, Jun Li

Abstract read
In one paragraph

Article in Korean journal of anesthesiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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

4 authors.

Chun-Qing LiDepartment of Anesthesiology, Peking University First Hospital, Beijing, China.
Jia-Hui MaDepartment of Anesthesiology, Peking University First Hospital, Beijing, China.
Zhen-Zhen LiuDepartment of Anesthesiology, Peking University First Hospital, Beijing, China.
Jun LiDepartment of Anesthesiology, Peking University First Hospital, Beijing, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThis study aimed to determine the association between frailty, as measured by the five-item modified frailty index (mFI-5), and postoperative pulmonary complications (PPCs) in older patients undergoing major abdominal surgery and to explore the predictive value of frailty beyond traditional PPC risk factors.

methodsIn this retrospective cohort study, we collected baseline and perioperative data of older patients (aged ≥ 65 years) undergoing major abdominal surgery in a tertiary hospital. The association between the mFI-5 score and PPCs was examined using multivariate logistic regression analysis. Additionally, the predictive value of the mFI-5 beyond the four basic PPC risk models was estimated using discrimination (areas under receiver operating characteristic curve [AUROCs]; DeLong's test), calibration (Hosmer-Lemeshow test), goodness of fit (likelihood ratio χ2 test), explained variance (Nagelkerke R2), and reclassification (categorical and continuous net reclassification improvement and integrated discrimination improvement).

resultsA total of 3298 patients were included, of whom 351 (10.6%) developed PPCs. After adjusting for confounding factors, higher mFI-5 scores were independently associated with an increased risk of PPCs compared with a score of 0 (all P < 0.05). Incorporating the mFI-5 score into the basic PPC risk models significantly improved the AUROC, goodness of fit, and risk reclassification (all P < 0.001); enhanced or maintained calibration (all P > 0.05); and increased explained variance.

conclusionsFrailty, measured using the mFI-5, was independently associated with an increased risk of PPCs and improved the predictive performance of conventional risk factors for PPCs in older patients undergoing major abdominal surgery.

Indexed as

AbdomenFrailtyLung DiseasesPostoperative ComplicationsAgedAged, 80 and overCohort StudiesFemaleHumansMalePredictive Value of TestsRetrospective StudiesRisk FactorsAgedFrailtyLogistic modelsPostoperative complicationsRespiratory tract diseasesRisk assessment

Identifiers

PMID40685166
PMCPMC12665396

What Socratic holds

Textmetadata
LicenceCC BY-NC
Read underepoch 390

Registered trials

None linked

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 Socratic graph.