Evidence map›Paper›PMID 38031050›Full record

ArticleBMC pulmonary medicine2023

Sex differences in comorbidities and mortality risk among patients with chronic obstructive pulmonary disease: a study based on NHANES data.

Na Li, Xiaoli Li, Minjie Liu, Yakang Wang, Junning Wang

Open access · goldAbstract read
In one paragraph

Article in BMC pulmonary medicine, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
6.2field-weighted citation impact, top 3% of its field
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

17 citing papers in PubMed, 24 citations in OpenAlex.

  1. Article
  2. Article
  3. Sex Differences and Survival Among COPD Patients in France: The Palomb Cohort.International journal of chronic obstructive pulmonary disease · 2026
    Observational
  4. Review
  5. Article
  6. Severe COPD Exacerbators Requiring Multiple ICU Admissions Over Time: Insights of a French Cohort.International journal of chronic obstructive pulmonary disease · 2026
    Article
  7. Review
  8. Review
  9. Article
  10. Biological sex and age-associated changes in muscle and brain health in Chronic Obstructive Pulmonary Disease: A large cross-sectional study.Nutrition in clinical practice : official publication of the American Society for Parenteral and Enteral Nutrition · 2025
    Article
  11. Article
  12. Review
  13. Article
  14. Article
  15. Article
  16. Article
  17. Management Reality of Female Patients with COPD: A Multicenter Cross-Sectional CAP Study in Japan.International journal of chronic obstructive pulmonary disease · 2024
    Observational
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

5 authors at 2 institutions in 1 country.

Na Li *Department of Respiratory, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, People's Republic of China.
Xiaoli Li *Department of Respiratory, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, People's Republic of China.
Minjie Liu *Department of Respiratory, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, People's Republic of China.
Yakang WangDepartment of Orthopaedics, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, People's Republic of China.
Junning WangDepartment of Respiratory, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, People's Republic of China. wangjunningde@163.com.
Xi'an Honghui Hospital · CNXi'an Jiaotong University · CN

Funding

Shaanxi Natural Science Foundation of China 2023-JC-YB-811
6 · The paper itself

Abstract

backgroundPatients with chronic obstructive pulmonary disease (COPD) commonly have coexisting comorbidities that contribute to higher exacerbation frequency, poorer health status, and increased all-cause mortality; however, there are only a few studies available on the sex discrepancy in the comorbidity distribution and outcomes among COPD patients, and there is limited information about the discrepancy in all-cause mortality between men and women.

methodsBased on data from the U.S. National Health and Nutrition Examination Survey conducted between 2007 and 2012, we compared participants aged 40-79 years with spirometry-defined COPD to compare the prevalence of comorbidities between men and women. The survival of the subjects was documented, and the sex discrepancy was determined using Kaplan-Meier analysis. Comorbidities and all-cause mortality were analyzed by using a Cox proportional hazards model to determine their strength of association in different sex groups.

resultsCompared to men, women had a significantly higher prevalence of asthma (OR 1.93, 95% CI 1.46 to 2.57, p < 0.001) and arthritis (OR 1.77, 95% CI 1.39 to 2.24, p < 0.001). Women had a significantly lower prevalence of coronary heart disease (OR 0.48, 95% CI 0.27 to 0.87, p = 0.015) and gout (OR 0.42, 95% CI 0.25 to 0.67, p = 0.001). Kaplan-Meier analysis revealed that compared with that of the female group, the survival rate of the male group was significantly lower (p < 0.001). Among men, the presence of anemia (HR 2.38, [95% CI 1.52-3.73], p < 0.001), gout (HR 1.55, [95% CI 1.04-2.30], p = 0.029) and congestive heart failure comorbidities (HR 1.85, [95% CI 1.12-3.04] p = 0.016) was associated with a higher risk of mortality; among women, the presence of anemia (HR 2.21, [95% CI 1.17-4.20], p = 0.015) and stroke (HR 2.04, [95% CI 1.07-3.88], p = 0.031) comorbidities was associated with a higher risk of mortality after adjusting for age, race/Hispanic status, BMI, smoking status, FEV1% predicted and prevalent comorbidities.

conclusionsCOPD-related comorbidities and all-cause mortality were discrepant between men and women, and men had poorer survival than women in the nationally representative data that were analyzed.

Indexed as

AnemiaGoutPulmonary Disease, Chronic ObstructiveComorbidityFemaleHumansMaleNutrition SurveysRisk FactorsSex CharacteristicsComorbiditiesCOPDSex differencesSurvival

Identifiers

PMID38031050
PMCPMC10687794
OpenAlexW4389133498

What OpenQuestion holds

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LicenceCC BY
Read underepoch 390

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.