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. 2023 Nov 2;13(11):e077610.
doi: 10.1136/bmjopen-2023-077610.

What health inequalities exist in access to, outcomes from and experience of treatment for lung cancer? A scoping review

Affiliations

What health inequalities exist in access to, outcomes from and experience of treatment for lung cancer? A scoping review

Laura Lennox et al. BMJ Open. .

Abstract

Objectives: Lung cancer (LC) continues to be the leading cause of cancer-related deaths and while there have been significant improvements in overall survival, this gain is not equally distributed. To address health inequalities (HIs), it is vital to identify whether and where they exist. This paper reviews existing literature on what HIs impact LC care and where these manifest on the care pathway.

Design: A systematic scoping review based on Arksey and O'Malley's five-stage framework.

Data sources: Multiple databases (EMBASE, HMIC, Medline, PsycINFO, PubMed) were used to retrieve articles.

Eligibility criteria: Search limits were set to retrieve articles published between January 2012 and April 2022. Papers examining LC along with domains of HI were included. Two authors screened papers and independently assessed full texts.

Data extraction and synthesis: HIs were categorised according to: (a) HI domains: Protected Characteristics (PC); Socioeconomic and Deprivation Factors (SDF); Geographical Region (GR); Vulnerable or Socially Excluded Groups (VSG); and (b) where on the LC pathway (access to, outcomes from, experience of care) inequalities manifest. Data were extracted by two authors and collated in a spreadsheet for structured analysis and interpretation.

Results: 41 papers were included. The most studied domain was PC (32/41), followed by SDF (19/41), GR (18/41) and VSG (13/41). Most studies investigated differences in access (31/41) or outcomes (27/41), with few (4/41) exploring experience inequalities. Evidence showed race, rural residence and being part of a VSG impacted the access to LC diagnosis, treatment and supportive care. Additionally, rural residence, older age or male sex negatively impacted survival and mortality. The relationship between outcomes and other factors (eg, race, deprivation) showed mixed results.

Conclusions: Findings offer an opportunity to reflect on the understanding of HIs in LC care and provide a platform to consider targeted efforts to improve equity of access, outcomes and experience for patients.

Keywords: health equity; health services accessibility; quality in health care.

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Conflict of interest statement

Competing interests: None declared.

Figures

Figure 1
Figure 1
Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) flow diagram illustrating the process of identification, screening, eligibility and exclusion of papers (adapted from PRISMA 2020 statement27). LC, lung cancer.
Figure 2
Figure 2
Health inequality domains and factors investigated within the reviewed articles.

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