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A simulation model to estimate the cost and effectiveness of alternative dialysis initiation strategies MEDICAL DECISION MAKING Lee, C. P., Chertow, G. M., Zenios, S. A. 2006; 26 (5): 535-549

Abstract

Patients with end-stage renal disease (ESRD) require dialysis to maintain survival. The optimal timing of dialysis initiation in terms of cost-effectiveness has not been established.We developed a simulation model of individuals progressing towards ESRD and requiring dialysis. It can be used to analyze dialysis strategies and scenarios. It was embedded in an optimization frame worked to derive improved strategies.Actual (historical) and simulated survival curves and hospitalization rates were virtually indistinguishable. The model overestimated transplantation costs (10%) but it was related to confounding by Medicare coverage. To assess the model's robustness, we examined several dialysis strategies while input parameters were perturbed. Under all 38 scenarios, relative rankings remained unchanged. An improved policy for a hypothetical patient was derived using an optimization algorithm.The model produces reliable results and is robust. It enables the cost-effectiveness analysis of dialysis strategies.

View details for DOI 10.1177/0272989X06290488

View details for Web of Science ID 000240896700009

View details for PubMedID 16997929