Incorporating Psychological Predictors of Treatment Response into Health Economic Simulation Models: A Case Study in Type 1 Diabetes Running head: Incorporating psychology in health economic models Authors:
نویسندگان
چکیده
Background Health economic modelling has paid limited attention to the effects that patients’ psychological characteristics have on the effectiveness of treatments. This case study tests: 1. the feasibility of incorporating psychological prediction models of treatment response within an economic model of type 1 diabetes 2. the potential value of providing treatment to a subgroup of patients 3. the cost-effectiveness of providing treatment to a subgroup of responders defined using five different algorithms. Methods Multiple linear regressions were used to investigate relationships between patients’ psychological characteristics and treatment effectiveness. Two psychological prediction models were integrated with a patient-level simulation model of type 1 diabetes. Expected Value of Individualized Care analysis was undertaken. Five different algorithms were used to provide treatment to a subgroup of predicted responders. A cost-effectiveness analysis compared using the algorithms to providing treatment to all patients. Results The psychological prediction models had low predictive power for treatment effectiveness. Expected Value of Individualized Care results suggested that targeting education at responders could be of value. The cost-effectiveness analysis suggested, for all five algorithms, that providing structured education to a subgroup of predicted responders would not be cost-effective. Limitations
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