Mohs Versus Traditional Surgical Excision for Facial and Auricular Nonmelanoma Skin Cancer: An Analysis of Cost-Effectiveness

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OBJECTIVETo evaluate and compare Mohs micrographic surgery and traditional excision in terms of cost and outcomes.DESIGNWe developed a computer-simulation, probabilistic, decision model to perform a cost-effectiveness analysis, with each patient serving as his or her own control.SETTINGUniversity of Connecticut dermatology clinic, a tertiary care referral center.PARTICIPANTSInput data were derived from results of a consecutive sample of 98 patients with nonmelanoma skin cancer on the face and ears, estimates in the literature on 5-year recurrence rates, and a query of healthy focus-group participants.INTERVENTIONWe considered Mohs and traditional excision strategies.MAIN OUTCOME MEASURESOutcomes were measured in quality-adjusted life years, cost, and cost-effectiveness.RESULTSThe Mohs strategy was $292 less expensive than the traditional surgical strategy and was more effective by an incremental quality-adjusted life year of 0.056 (translating to approximately 3 weeks of optimal quality of life). Results were robust to subgroup and sensitivity analyses.CONCLUSIONSMohs may be more cost-effective than traditional excision in eradicating nonmelanoma skin cancer. Further investigation of costs from various geographic payment localities and assessment of quality-of-life outcomes from a population-based sample are needed.The authors have indicated no significant interest with commercial supporters.

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