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The SF-6D provides a method for estimating health state utility values from data obtained from patients using the SF-36 (or SF-12) health status questionnaires. The SF-6D has two parts. First, patients who have completed the SF-36 are assigned to a health state classification (i.e., SF-6D). This classification describes health on six multilevel dimensions: physical functioning, role limitations, social functioning, pain, mental health, and vitality. Second, there are algorithms for scoring each state based on values obtained from general population surveys using the standard gamble (SG). These health state utility values can be used to calculate quality-adjusted life years (QALYs) for cost-effectiveness analysis. There are two versions of the SF-6D, one for use with the SF-36 and the other for the SF-12.

Derivation of the SF-6D from ...
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