Evidence map›Paper›PMID 40604621›Full record

ArticleBMC psychiatry2025

Development and validation of a risk prediction model for depression in patients with chronic obstructive pulmonary disease.

Tong Feng, PeiPei Li, Ran Duan, Zhi Jin

Abstract readValidation Study
In one paragraph

Article in BMC psychiatry, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

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

What it found

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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

2 citing papers in PubMed.

  1. Article
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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

4 authors.

Tong Feng *Department of Respiratory and Critical Care Medicine, Deyang People's Hospital, Affiliated Hospital of Chengdu College of Medicine, Deyang, China.
PeiPei Li *School of Clinical Medicine, Chengdu Medical College, Chengdu, 610500, China.
Ran Duan *School of Clinical Medicine, Chengdu Medical College, Chengdu, 610500, China.
Zhi JinDepartment of Neurology, Shanghai Fifth People's Hospital, Fudan University, 801 Heqing Road, Shanghai, 201100, China. nalanchongxuan@163.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundChronic Obstructive Pulmonary Disease (COPD) is a prevalent respiratory condition often accompanied by depression, which exacerbates disease burden and impairs quality of life. Early identification of depression risk in COPD patients remains a clinical challenge.

objectiveThis study aimed to develop a machine learning-based model to predict depression risk in COPD patients, utilizing interpretable features from clinical and demographic data to support early intervention.

methodsData were extracted from the National Health and Nutrition Examination Survey (NHANES), involving 1,638 COPD patients. Depression was assessed using the Patient Health Questionnaire-9 (PHQ-9) scale. Feature selection was performed with Boruta and least absolute shrinkage and selection operator (LASSO) algorithms, identifying key predictors from demographic, lifestyle, medical history, and laboratory variables. Nine machine learning models were trained and evaluated, with performance assessed via accuracy, area under the curve (AUC), calibration, and clinical utility metrics.

resultsSignificant predictors of depression included sleep disturbances, age, poverty, hypertension, and comorbidities like cardiovascular disease. The Support Vector Machine (SVM) model achieved the highest performance, with an AUC of 0.890 in the validation set and 0.887 in the test set, demonstrating robust discriminative ability and clinical applicability. SHapley Additive exPlanations (SHAP) analysis enhanced model interpretability. Notably, sleep disturbances, younger age, and greater socioeconomic deprivation were associated with an elevated risk of depression.

conclusionThis study presents a reliable SVM-based model for predicting depression risk in COPD patients, leveraging NHANES data and interpretable features. It offers a valuable tool for early screening and personalized care, with potential to improve mental health outcomes in this population.

Indexed as

DepressionMachine LearningPulmonary Disease, Chronic ObstructiveAgedComorbidityFemaleHumansMaleMiddle AgedNutrition SurveysRisk AssessmentRisk FactorsSupport Vector MachineChronic Obstructive Pulmonary Disease (COPD)DepressionMachine LearningNational Health and Nutrition Examination Survey (NHANES)Predictive Model

Identifiers

PMID40604621
PMCPMC12224600

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LicenceCC BY-NC-ND
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Registered trials

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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.