An important subject of debate in cost-utility analysis of health care programmes is whether to include costs of unrelated medical care in life years gained. The inclusion of such costs is likely to be of consequence in the case of primary prevention. This paper presents different strategies...

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The TTO-method is often used to value health states, but it is susceptible to several biases and methodological difficulties. One of these is a violation of procedural invariance, which means that the way a TTO-question is framed, i.e. either by fixing the period in imperfect health or that in...

The objective of the present study was to evaluate whether people include the effects of ill-health on income and leisure in quality of life valuation when the measure is silent on both. A convenience sample of 20 health professionals had to rate a health status on a visual analogue scale (VAS)...

This paper comments on the recently published guidelines of the Washington Panel on incorporation of indirect non-medical costs, or productivity costs, in economic evaluations of health care. Traditionally the human capital or more recently the friction cost method is used to measure these...