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Importance: International literature has shown that teledermoscopy referral may be a viable method for skin cancer referral; however, no economic investigations have occurred in Australia. Objective: To assess the cost-effectiveness of teledermoscopy as a referral mechanism for skin cancer diagnosis and management in Australia. Design, Setting, and Participants: Cost-effectiveness analysis using a decision-analytic model of Australian primary care, informed by publicly available data. Interventions: We compared the costs of teledermoscopy referral (electronic referral containing digital dermoscopic images) vs usual care (a written referral letter) for specialist dermatologist review of a suspected skin cancer. Main Outcomes and Measures: Cost and time in days to clinical resolution, where clinical resolution was defined as diagnosis by a dermatologist or excision by a general practitioner. Probabilistic sensitivity analysis was performed to examine the uncertainty of the main results. Results: Findings from the decision-analytic model showed that the mean time to clinical resolution was 9 days (range, 1-50 days) with teledermoscopy referral compared with 35 days (range, 0-138 days) with usual care alone (difference, 26 days; 95% credible interval CrI, 13-38 days). The estimated mean cost difference between teledermoscopy referral (A318. 39) vs usual care (A263. 75) was A54. 64 (95% CrI, A22. 69-A97. 35) per person. The incremental cost per day saved to clinical resolution was A2. 10 (95% CrI, A0. 87-A5. 29). Conclusions and Relevance: Using teledermoscopy for skin cancer referral and triage in Australia would cost A54. 64 extra per case on average but would result in clinical resolution 26 days sooner than usual care. Implementation recommendations depend on the preferences of the Australian health system decision makers for either lower cost or expedited clinical resolution. Further research around the clinical significance of expedited clinical resolution and its importance for patients could inform implementation recommendations for the Australian setting.
Snoswell et al. (Wed,) studied this question.