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Redondo-Sánchez D, Petrova D, Rodríguez-Barranco M, Fernández-Navarro P, Jiménez-Moleón JJ, Sánchez MJ. Socio-Economic Inequalities in Lung Cancer Outcomes: An Overview of Systematic Reviews. Cancers (Basel) 2022; 14:398. [PMID: 35053559 PMCID: PMC8773607 DOI: 10.3390/cancers14020398] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 01/10/2022] [Accepted: 01/12/2022] [Indexed: 01/27/2023] Open
Abstract
In the past decade, evidence has accumulated about socio-economic inequalities in very diverse lung cancer outcomes. To better understand the global effects of socio-economic factors in lung cancer, we conducted an overview of systematic reviews. Four databases were searched for systematic reviews reporting on the relationship between measures of socio-economic status (SES) (individual or area-based) and diverse lung cancer outcomes, including epidemiological indicators and diagnosis- and treatment-related variables. AMSTAR-2 was used to assess the quality of the selected systematic reviews. Eight systematic reviews based on 220 original studies and 8 different indicators were identified. Compared to people with a high SES, people with a lower SES appear to be more likely to develop and die from lung cancer. People with lower SES also have lower cancer survival, most likely due to the lower likelihood of receiving both traditional and next-generation treatments, higher rates of comorbidities, and the higher likelihood of being admitted as emergency. People with a lower SES are generally not diagnosed at later stages, but this may change after broader implementation of lung cancer screening, as early evidence suggests that there may be socio-economic inequalities in its use.
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Affiliation(s)
- Daniel Redondo-Sánchez
- Instituto de Investigación Biosanitaria ibs.GRANADA, 18012 Granada, Spain; (D.R.-S.); (M.R.-B.); (J.J.J.-M.); (M.-J.S.)
- Escuela Andaluza de Salud Pública, 18080 Granada, Spain
- CIBER of Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain;
| | - Dafina Petrova
- Instituto de Investigación Biosanitaria ibs.GRANADA, 18012 Granada, Spain; (D.R.-S.); (M.R.-B.); (J.J.J.-M.); (M.-J.S.)
- Escuela Andaluza de Salud Pública, 18080 Granada, Spain
- CIBER of Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain;
| | - Miguel Rodríguez-Barranco
- Instituto de Investigación Biosanitaria ibs.GRANADA, 18012 Granada, Spain; (D.R.-S.); (M.R.-B.); (J.J.J.-M.); (M.-J.S.)
- Escuela Andaluza de Salud Pública, 18080 Granada, Spain
- CIBER of Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain;
| | - Pablo Fernández-Navarro
- CIBER of Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain;
- Cancer and Environmental Epidemiology Unit, National Center for Epidemiology, Carlos III Institute of Health, 28029 Madrid, Spain
| | - José Juan Jiménez-Moleón
- Instituto de Investigación Biosanitaria ibs.GRANADA, 18012 Granada, Spain; (D.R.-S.); (M.R.-B.); (J.J.J.-M.); (M.-J.S.)
- CIBER of Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain;
- Department of Preventive Medicine and Public Health, University of Granada, 18071 Granada, Spain
| | - Maria-José Sánchez
- Instituto de Investigación Biosanitaria ibs.GRANADA, 18012 Granada, Spain; (D.R.-S.); (M.R.-B.); (J.J.J.-M.); (M.-J.S.)
- Escuela Andaluza de Salud Pública, 18080 Granada, Spain
- CIBER of Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain;
- Department of Preventive Medicine and Public Health, University of Granada, 18071 Granada, Spain
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