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Health Econ. 2019 Feb 20. doi: 10.1002/hec.3871. [Epub ahead of print]

Frequentist and Bayesian meta-regression of health state utilities for multiple myeloma incorporating systematic review and analysis of individual patient data.

Author information

1
Department of Statistical Science, University College London, London, UK.
2
Delta Hat Limited, University Nottingham University Hospital, Nottingham, UK.
3
BresMed, University Nottingham University Hospital, Sheffield, UK.
4
Nottingham University Hospital, Nottingham, UK.

Abstract

This analysis presents the results of a systematic review for health state utilities in multiple myeloma, as well as analysis of over 9,000 observations taken from registry and trial data. The 27 values identified from 13 papers are then synthesised in a frequentist nonparametric bootstrap model and a Bayesian meta-regression. Results were similar between the frequentist and Bayesian models with low utility on disease diagnosis (approximately 0.55), raising to approximately 0.65 on first line treatment and declining slightly with each subsequent line. Stem cell transplant was also found to be a significant predictor of health-related quality of life in both individual patient data and meta-regression, with an increased utility of approximately 0.06 across different models. The work presented demonstrates the feasibility of Bayesian methods for utility meta-regression, whilst also presenting an internally consistent set of data from the analysis of registry data. To facilitate easy updating of the data and model, data extraction tables and model code are provided as Data S1. The main limitations of the model relate to the low number of studies available, particularly in highly pretreated patients.

KEYWORDS:

EQ-5D; cost-effectiveness; multiple myeloma; utility synthesis

PMID:
30790379
DOI:
10.1002/hec.3871

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