Decision analytical methods have been utilized and demonstrated to be of use for a broad range of applications in medical contexts, from regular diagnostic strategies and treatment to the evaluation of diagnostic tests and prediction models and benefit- risk assessments. However, a number of issues still remain to be clarified, for instance ease of use, realism of the input data, long- term outcomes and integration into routine clinical work. In particular, many people are unaccustomed or unwilling to express input information with the preciseness and correctness most methods require, i.e., the values need to be “true” in some sense. The common lack of complete information naturally increases this problem significantly and several attempts have been made to resolve this issue. This is not least the case within psychiatric emergency care where the information available often is of a highly qualitative nature. In this article we suggest the use of so called surrogate numbers that have proliferated for a while in the form of ordinal ranking methods for multi- criteria and show how they can be adapted for use in probability elicitation.
CITATION STYLE
Danielson, M., Ekenberg, L., & Sygel, K. (2015). Robust psychiatric decision support using surrogate numbers. In Communications in Computer and Information Science (Vol. 532, pp. 575–585). Springer Verlag. https://doi.org/10.1007/978-3-319-22689-7_44
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