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Huang J, Chan SC, Lok V, Zhang L, Lucero-Prisno DE, Xu W, Zheng ZJ, Elcarte E, Withers M, Wong MCS. Global burden, risk factors, and trends of non-Hodgkin lymphoma: A worldwide analysis of cancer registries. Cancer Med 2024; 13:e7056. [PMID: 38477498 DOI: 10.1002/cam4.7056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 01/30/2024] [Accepted: 02/16/2024] [Indexed: 03/14/2024] Open
Abstract
BACKGROUND Non-Hodgkin lymphoma (NHL) accounts for 90% of all malignant lymphomas. This study aimed to evaluate the global incidence, mortality, associated risk factors, and temporal trends of NHL by sex, age, and country. METHODS Data from 185 countries globally were used for analysis. NHL incidence and mortality were collected via the GLOBOCAN (2020), CI5 series I-X, WHO mortality database, the Nordic Cancer Registries, and the SEER Program. The WHO Global Health Observatory provided country-level, age-standardized prevalence of lifestyle and metabolic risk factors. Trends were examined and reported based on average annual percentage change (AAPC) calculated using Joinpoint regression analysis. Incidence and AAPC are based on data for the last 10 years across countries. RESULTS Globally, age-standardized incidence and mortality rates for NHL were recorded at 5.8 and 2.6 per 100,000 individuals, respectively. At country-level, NHL incidence was significantly associated with various factors, including HDI (Human Development Index), GDP per capita, prevalence of tobacco and alcohol consumption, sedentary lifestyle, obesity, hypertension, diabetes and hypercholesterolaemia. Rising trend in NHL incidence was observed, with the highest increase recorded in Estonia (AAPCmale = 4.15, AAPCfemale = 5.14), Belarus (AAPCfemale = 5.13), and Lithuania (AAPCfemale = 4.68). While overall NHL mortality has been decreasing, certain populations experienced increased mortality over the decade. In Thailand, AAPC for mortality was 31.28% for males and 30.26% for females. Estonia saw an AAPC of 6.46% for males, while Slovakia experienced an AAPC of 4.24% for females. Colombia's AAPC was 1.29% for males and 1.51% for females. CONCLUSIONS This study indicates a rising trend of NHL incidence over the past decade- particularly in developed countries, older males, and younger populations. Further research should investigate deeper insights into specific etiology and prognosis of NHL across subtypes, and potential contributors towards these epidemiologic trends.
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Affiliation(s)
- Junjie Huang
- The Jockey Club School of Public Health and Primary Care, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong SAR, China
- Centre for Health Education and Health Promotion, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Sze Chai Chan
- The Jockey Club School of Public Health and Primary Care, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong SAR, China
| | - Veeleah Lok
- Department of Global Public Health, Karolinska Institute, Karolinska University Hospital, Stockholm, Sweden
| | - Lin Zhang
- Suzhou Industrial Park Monash Research Institute of Science and Technology, Suzhou, China
- The School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Don Eliseo Lucero-Prisno
- Department of Global Health and Development, London School of Hygiene and Tropical Medicine, London, UK
| | - Wanghong Xu
- School of Public Health, Fudan University, Shanghai, China
| | - Zhi-Jie Zheng
- Department of Global Health, School of Public Health, Peking University, Beijing, China
| | | | - Mellissa Withers
- Department of Population and Health Sciences, Institute for Global Health, University of Southern California, Los Angeles, California, USA
| | - Martin C S Wong
- The Jockey Club School of Public Health and Primary Care, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong SAR, China
- Centre for Health Education and Health Promotion, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
- Department of Global Health, School of Public Health, Peking University, Beijing, China
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Francisco LFV, da Silva RN, Oliveira MA, Dos Santos Neto MF, Gonçalves IZ, Marques MMC, Silveira HCS. Occupational Exposures and Risks of Non-Hodgkin Lymphoma: A Meta-Analysis. Cancers (Basel) 2023; 15:cancers15092600. [PMID: 37174074 PMCID: PMC10177442 DOI: 10.3390/cancers15092600] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 04/10/2023] [Accepted: 04/14/2023] [Indexed: 05/15/2023] Open
Abstract
Non-Hodgkin lymphoma (NHL) is a heterogeneous group with different types of diseases. It remains unclear as to what has led to an increase in incidences of NHL, however, chemical substance exposure is known to be one of the risk factors for the disease. Therefore, we performed a systematic review and meta-analysis including case-control, cohort, and cross-sectional observational epidemiological studies to verify the association between occupational exposure to carcinogens and NHL risk. Articles between the years 2000 and 2020 were collected. Two different reviewers performed a blind selection of the studies using the Rayyan QCRI web app. Post-completion, the selected articles were extracted and analyzed via the RedCap platform. Our review resulted in 2719 articles, of which 51 were included in the meta-analysis, resulting in an overall OR of 1.27 (95% CI 1.04-1.55). Furthermore, it was observed that the main occupation associated with the increased risk of NHL was that in which workers are exposed to pesticides. We therefore conclude that the evidence synthesis of the epidemiological literature supports an increased risk for NHL, regardless of subtype, considering occupational exposure to certain chemical compounds, mainly pesticides, benzene, and trichlorethylene, and certain classes of work, primarily in the field of agriculture.
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Affiliation(s)
| | - Rogério Nunes da Silva
- Postgraduate Program in Environment and Health, University of Cuiabá, Cuiabá 78008-000, MT, Brazil
| | - Marco Antônio Oliveira
- Molecular Oncology Research Center, Barretos Cancer Hospital, Barretos 14784-390, SP, Brazil
| | | | | | - Márcia M C Marques
- Molecular Oncology Research Center, Barretos Cancer Hospital, Barretos 14784-390, SP, Brazil
| | - Henrique C S Silveira
- Molecular Oncology Research Center, Barretos Cancer Hospital, Barretos 14784-390, SP, Brazil
- Postgraduate Program in Environment and Health, University of Cuiabá, Cuiabá 78008-000, MT, Brazil
- Campus São Paulo, University of Anhanguera, São Paulo 04119-901, SP, Brazil
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Odutola MK, Benke G, Fritschi L, Giles GG, van Leeuwen MT, Vajdic CM. A systematic review and meta-analysis of occupational exposures and risk of follicular lymphoma. ENVIRONMENTAL RESEARCH 2021; 197:110887. [PMID: 33607095 DOI: 10.1016/j.envres.2021.110887] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 02/03/2021] [Accepted: 02/10/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND The etiology of follicular lymphoma (FL), a common non-Hodgkin lymphoma subtype, is largely unknown. OBJECTIVE We performed a systematic review and meta-analysis of observational studies examining the relationship between occupational exposures and FL risk. METHODS We searched Ovid MEDLINE, Ovid EMBASE, and Web of Science for eligible observational studies examining job titles or occupational exposures prior to January 1, 2020. We performed a narrative synthesis and used random-effects models to generate meta-estimates of relative risk (RR) with 95% confidence intervals (95%CI) for exposures reported by three or more studies. RESULTS Fifty-eight studies were eligible. Ten cohort and 37 case-control studies quantified FL risk in relation to any exposure to one or more occupational groups or agents. Eight cohort and 19 case-control studies examined dose-response relationships. We found evidence of a positive association with increasing plasma concentration of dichlorodiphenyldichloroethylene (DDE; meta-RR = 1.51, 95%CI = 0.99, 2.31; I2 = 0.0%) and polychlorinated biphenyls (PCBs; meta-RR = 1.47, 95%CI = 0.97, 2.24; I2 = 8.6%). We observed a positive association with exposure to any solvent (meta-RR = 1.16, 95%CI = 1.00, 1.34; I2 = 0.0%) and chlorinated solvents (meta-RR = 1.35, 95%CI = 1.09, 1.68; I2 = 0.0%). Single studies reported a significant positive dose-response association for exposure to any pesticide, hexachlorobenzene, any organophosphate, diazinon, metolachlor, carbaryl, lindane, trichloroethylene, oils/greases, and extremely low-frequency magnetic fields. Job title-only analyses suggested increased risk for medical doctors and spray painters, and decreased risk for bakers and teachers. Overall, studies demonstrated low risk of bias, but most studies examined small numbers of exposed cases. CONCLUSIONS Current evidence indicates a positive association between FL and occupational exposure to DDE, PCBs, any solvent and chlorinated solvents. Our findings may help guide policies and practices on the safe use of solvents and inform models of lymphomagenesis. Future studies with larger sample sizes and comprehensive quantitative exposure measures may elucidate other avoidable carcinogenic exposures.
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Affiliation(s)
- Michael K Odutola
- Centre for Big Data Research in Health, University of New South Wales, Sydney, New South Wales, Australia
| | - Geza Benke
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
| | - Lin Fritschi
- School of Public Health, Curtin University, Perth, Western Australia, Australia
| | - Graham G Giles
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, University of Melbourne, Melbourne, Victoria, Australia; Cancer Epidemiology and Intelligence Division, Cancer Council Victoria, Melbourne, Australia; Precision Medicine, School of Clinical Sciences at Monash Health Monash University, Melbourne, Australia
| | - Marina T van Leeuwen
- Centre for Big Data Research in Health, University of New South Wales, Sydney, New South Wales, Australia
| | - Claire M Vajdic
- Centre for Big Data Research in Health, University of New South Wales, Sydney, New South Wales, Australia.
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Wu B, Liu K, Yang JP, Hu Y, Zhang J, He JX. The association between methionine synthase A2756G polymorphism and hematological cancer: A meta-analysis. Medicine (Baltimore) 2017; 96:e7469. [PMID: 29310321 PMCID: PMC5728722 DOI: 10.1097/md.0000000000007469] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Numerous studies have focused on the association of methionine synthase (MS) A2756G polymorphism and acute hematological cancer risk. However, the results remain inconsistent. Therefore, a meta-analysis was performed to derive a more precise estimate of the association between them. METHODS This meta-analysis involved 25 articles (26 studies) including 8641 hematological cancer patients and 15,498 controls. The pooled odds ratios (ORs) and their corresponding 95% confidence intervals (CIs) of the association between MS A2756G polymorphism and the risk of hematological cancer were calculated. RESULTS Overall, no significant increased risks were found between MS A2756G polymorphism and hematological cancer risk under allelic homozygote (GA vs AA: OR = 0.98, 95% CI = 0.89-1.07, P = .62), heterozygote (GG vs AA: OR = 0.99, 95% CI = 0.85-1.15, P = .91), dominant (AG+GG vs AA: OR = 0.99, 95% CI = 0.90-1.08, P = .93), and recessive (GG vs AG+AA: OR = 1.00, 95% CI = 0.86-1.16, P = .97) models, respectively. In the stratified analyses by ethnicity and source of controls, there were still no significant associations between them in all genetic models. CONCLUSIONS Therefore, these findings demonstrate that MS A2756G polymorphism may not be a risk factor for hematological cancer.
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Affiliation(s)
- Bing Wu
- Tumor Treatment Center, Renmin Hospital of Wuhan University, Hubei
| | - Kang Liu
- Department of Radiotherapy, The First Affiliated Hospital of Guangxi Medical University, Guangxi
| | - Jun-Ping Yang
- State Key Laboratory of Oncology in South China and Collaborative Innovation Center of Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, People's Republic of China
| | - Yan Hu
- Tumor Treatment Center, Renmin Hospital of Wuhan University, Hubei
| | - Jun Zhang
- Tumor Treatment Center, Renmin Hospital of Wuhan University, Hubei
| | - Jun-xiang He
- Tumor Treatment Center, Renmin Hospital of Wuhan University, Hubei
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