ArticleCancer causes & control : CCC2022
Geographic hotspot detection for late-stage hepatocellular carcinoma: novel approach to cancer control.
Article in Cancer causes & control : CCC, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Neighborhood Deprivation Linked to Medication Level Variability in Liver Transplant Recipients.Clinical transplantation · 2025Article
- Health disparities in cirrhosis care and liver transplantation.Nature reviews. Gastroenterology & hepatology · 2025Review
- A Novel Approach for Conducting a Catchment Area Analysis of Breast Cancer by Age and Stage for a Community Cancer Center.Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology · 2024Article
- Community-Level Factors Associated with Hepatocellular Carcinoma Incidence and Mortality: An Observational Registry Study.Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology · 2024Observational
- Exposure to Agent Orange and Hepatocellular Carcinoma Among US Military Personnel.JAMA network open · 2023Article
- Geographic information systems for occupational cancer surveillance: a scoping review.Revista CuidarteReview
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Authors and funding
5 authors.
Funding
Abstract
importanceAs hepatocellular carcinoma (HCC)-associated mortality continues to rise in the United States, there is a crucial need for strategies to shift diagnoses from late to early stage in order to improve survival.
objectiveTo describe a population-based geospatial approach to identifying areas with high late-stage HCC burden for intervention.
designCross-sectional study between 2008 and 2017.
settingLos Angeles County.
participantsAll incident cases of HCC with residential address at diagnosis in Los Angeles County were identified from a population-based cancer registry. Late stage included AJCC 7th Edition stages III-IV and unstaged cases. EXPOSURE: Sociodemographic factors. MAIN OUTCOME(S): Geographic "hotspots" or areas with a high density of late-stage HCC, identified using kernel density estimation in ArcMap 10.3.1.
results51.8% of 7,519 incident cases of HCC were late stage. We identified a total of 23 late-stage hotspots, including 30.0% of all late-stage cases. Cases within hotspots were more often racial/ethnic minorities, foreign-born, under or uninsured, and of lower socioeconomic status. The age-adjusted incidence rate of late-stage HCC was twofold higher within hotspots (6.85 per 100,000 in hotspots vs 3.38 per 100,000 outside of hotspots). The calculated population-attributable risk was 43%, suggesting that a substantial proportion of late-stage HCC burden could be averted by introducing interventions in hotspot areas. We mapped the relationship between hotspots and federally qualified health centers primary care clinics and subspecialty clinics in Los Angeles County to demonstrate how clinic partnerships can be selected to maximize impact of interventions and resource use. Hotspots can also be utilized to identify "high-risk" neighborhoods that are easily recognizable by patients and the public and to facilitate community partnerships. CONCLUSION AND RELEVANCE: Reducing late-stage HCC through geographic late-stage hotspots may be an efficient approach to improving cancer control and equity.
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