Elis Ângela Batistella1, Rogério Gondak2, Elena Riet Correa Rivero2, Saman Warnakulasuriya3,4, Eliete Guerra5, André Luís Porporatti6, Graziela De Luca Canto7. 1. Health Sciences Center, Federal University of Santa Catarina, Rector David Ferreira Lima Campus, Trindade, Florianopolis, SC, 88037150, Brazil. elisbatistella@hotmail.com. 2. Department of Pathology, Health Sciences Center, Federal University of Santa Catarina, Florianopolis, SC, Brazil. 3. Department of Oral Medicine and Experimental Oral Pathology, King's College Dental Institute, Bessemer Road, London, SE5 9RS, UK. 4. WHO Collaborating Centre for Oral Cancer and Precancer in the United Kingdom, Denmark Hill Campus, London, SE5 9RS, UK. 5. Laboratory of Oral Histopathology, Health Sciences Faculty, University of Brasilia (UnB), Brasilia, DF, Brazil. 6. Laboratoire de Neurobiologie OroFaciale, Université de Paris, France and GHPS Assitance Publique Hopitaux de Paris, Paris, France. 7. Brazilian Centre for Evidence-Based Research, Department of Dentistry, Federal University of Santa Catarina (UFSC), Florianopolis, SC, Brazil.
Abstract
OBJECTIVE: To compare the proportion of young (up to 45 years of age) and older (over 45 years of age) oral squamous cell carcinoma (OSCC) patients who report tobacco and alcohol consumption. METHODS: Observational studies reporting tobacco and alcohol consumption among young and older OSCC patients were selected in a two-phase process. Search strategies were conducted on five main electronic databases and complemented by grey literature. The risk of bias was assessed using the Joanna Briggs Institute's Critical Appraisal Checklist for Studies Reporting Prevalence Data. Synthesis of results was calculated with the software R Statistics version 4.0.2 (The R Foundation). RESULTS: From 6675 records identified, 38 studies met the eligibility criteria and were selected for qualitative synthesis and meta-analysis, encompassing 2439 young and 13,393 older patients. Tobacco smoking was reported by 39.5% (confidence interval (CI) = 31.7% to 47.9%, I2 = 78%) of the young patients and 48.4% (CI = 37.8% to 59.2%, I2 = 94%) of the older patients. Alcohol consumption was reported by 30.9% (CI = 22.7% to 40.5%, I2 = 83%) of the young and 45.8% (CI = 35.6% to 56.5%, I2 = 95%) of the older patients (P < 0.05). CONCLUSION: The comparison in the proportion of individuals reporting tobacco and alcohol consumption demonstrated that these habits were more prevalent in the older group (48.4% and 45.8% respectively) than in the young group (39.5% and 30.9%, respectively). CLINICAL RELEVANCE: As a significant proportion of patients with OSCC reported no habits, novel risk factors for OSCC need to be investigated in further research.
OBJECTIVE: To compare the proportion of young (up to 45 years of age) and older (over 45 years of age) oral squamous cell carcinoma (OSCC) patients who report tobacco and alcohol consumption. METHODS: Observational studies reporting tobacco and alcohol consumption among young and older OSCC patients were selected in a two-phase process. Search strategies were conducted on five main electronic databases and complemented by grey literature. The risk of bias was assessed using the Joanna Briggs Institute's Critical Appraisal Checklist for Studies Reporting Prevalence Data. Synthesis of results was calculated with the software R Statistics version 4.0.2 (The R Foundation). RESULTS: From 6675 records identified, 38 studies met the eligibility criteria and were selected for qualitative synthesis and meta-analysis, encompassing 2439 young and 13,393 older patients. Tobacco smoking was reported by 39.5% (confidence interval (CI) = 31.7% to 47.9%, I2 = 78%) of the young patients and 48.4% (CI = 37.8% to 59.2%, I2 = 94%) of the older patients. Alcohol consumption was reported by 30.9% (CI = 22.7% to 40.5%, I2 = 83%) of the young and 45.8% (CI = 35.6% to 56.5%, I2 = 95%) of the older patients (P < 0.05). CONCLUSION: The comparison in the proportion of individuals reporting tobacco and alcohol consumption demonstrated that these habits were more prevalent in the older group (48.4% and 45.8% respectively) than in the young group (39.5% and 30.9%, respectively). CLINICAL RELEVANCE: As a significant proportion of patients with OSCC reported no habits, novel risk factors for OSCC need to be investigated in further research.
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