O’Mahony JF, How to weigh harms and benefits on a population level, a health economist's view, EUROGIN, Stockholm, March 2024.
O’Mahony JF, Risk Stratification in the Context of Cancer Screening: Implications of Constraints on Strata-Specific Screening Policies for Efficiency and Equity, Society of Medical Decision Making (SMDM), Berlin, May 2023.
Koffijberg E, Degeling K, O'Mahony JF and Geuzinge A; Accelerating Adoption and Standardization of R in Health Technology Assessment; The Case of Discrete Event Simulation; International Society for Pharmacoeconomics and Outcomes Research (ISPOR), Vienna, November 2022.
Vancoppenolle JM, Koole SN, O’Mahony JF, Franzen N, Burgers JA, Retèl VP, van Harten WH, Costs and Consequences of Personalized Cancer Treatment: Targeted treatment combinations; Presented at the Organisation of European Cancer Institutes' Ocology Days, Valencia, June 2022.
O'Mahony, Risk Stratification in Cost-Effectiveness Analyses of Cancer Screening: Intervention Eligibility, Strategy Choice and Optimality, Presented at a meeting of the Health Economics Association of Ireland, December 2021.
O'Mahony and Lin, A Simplified Model of the Cost-Effectiveness of Screening: An Open-Source Teaching and Research Tool Coded in R, Presented at a workshop held at University College London workshop titled "R for Trial and Model-Based Cost-Effectiveness Analysis", London, July 2019.
O'Mahony, Ten Ways to Enhance the Estimation, Reporting & Interpretation of the Cost-Effectiveness of Cancer Screening Interventions, Presented at the International Cancer Screening Network Conference, Rotterdam, June 2019.
O'Mahony, Lin and Van Rosmalen. A Simplified Model of the Cost-Effectiveness of Screening in R: A Teaching and Research Tool. Presented at EUROGIN, Lisbon, December 2018.
McFerran, O'Mahony, McVicar, Zauber, Lansdorp-Vogelaar and Kee. Can Ireland's Colorectal Screening Programme Save More Lives, Save Money and Live within Existing Colonoscopy Capacity Limits? Evidence from Microsimulation Modelling; Presented at the Society for Medical Decision Making 17th Biennial European Meeting, Leiden, June 2018.
Paulden, O'Mahony and Jit. The Evolving Theory and Evidence Regarding Discounting in Health Economic Evaluation: Practical Implications for Analysis Guidelines and Reimbursement; A workshop presented at the Society for Medical Decision Making 17th Biennial European Meeting, Leiden, June 2018.
O'Mahony JF, Paulden M, and McCabe C, Multi-Criteria Decision Analysis: Useful, but not a Suitable Replacement for Cost-Effectiveness Analysis; Presented at the Society for Medical Decision Making 16th Biennial European Meeting, London, June 2016.
McCabe C, Paulden M, and O'Mahony JF, Incorporating Social Values into Cost-Effectiveness Analysis; Workshop presented at the International Society for Pharmacoeconomics and Outcomes Research 20th Annual; Philadelphia, May 2015.
Paulden et al. NICE’s Proposed Value-Based Assessment of Health Technologies: Concerns of Inconsistent Consideration of Social Values for the adoption of new health technologies: Presented at the International Society for Pharmacoeconomics and Outcomes Research 17th Annual European Meeting, Amsterdam, November 2014.
O'Mahony. The use of cost-effectiveness thresholds as decision rules for the adoption of new health technologies: the experience in Ireland and abroad; Presented at the Economic and Social Research Institute, Dublin, September 2014.
O'Mahony et al. Reviewing the cost-effectiveness of HPV screening; why we need to include more comparator strategies; Presented at the International Health Economics Association 10th World Congress, Dublin, July 2014.
O'Mahony. Revisiting the simulation evidence for the cost-effectiveness of breast cancer screening of average-risk women; Presented at the Society for Medical Decision Making 15th Biennial European Meeting, Antwerp, June 2014.
O'Mahony et al. The cost-effectiveness of HPV screening; reviewing the choice of comparator strategies; Presented at the IFCPC 15th World Congress for Cervical Pathology and Colposcopy, London, May 2014.
Paulden and O'Mahony. Why the National Institute for Health and Care Excellence’s New Guidance on Discounting Creates Scope for Age Discrimination and Other Inconsistencies; Presented at the Society for Medical Decision Making 35th Annual North American Meeting, Baltimore, October 2013.
O'Mahony et al. Correcting for Multiple Future Cohorts When Applying Differential Discounting of Costs and Health Effects; Presented at the Society for Medical Decision Making 14th Biennial European Meeting, Oslo, June 2012.
Ethgen and O'Mahony. Cohort, Multi-Cohort or Population Model, Why, When and How? Workshop presented at the International Society for Pharmacoeconomics and Outcomes Research 13th Annual European Meeting; Madrid, November 2011.
O'Mahony, van Rosmalen & van Ballegooijen. Multiple Cohort Modelling of Long-Duration Interventions: Questioning Time Horizons & Aggregation Across Cohorts; Presented at the International Society for Pharmacoeconomics and Outcomes Research 13th Annual European Meeting, Prague, October 2010.