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Split Choice

A split choice arises if different members of an (apparently) homogeneous population select different options when confronted with the same decision scenario. The splitting of a treatment choice for clinically indistinguishable patients has implications for the economic evaluation of an intervention if the determinants of individual uptake are correlated with the valuation of the health benefit of the intervention. Split-choice bias is a term coined to describe the consequences of ignoring these implications.

Split Choice in Clinical Practice

In a typical clinical setting, it may happen that one treatment has clear advantages over another, with side effects that are negligible in comparison with the potential gains. Most patients will accept such an intervention regardless of the strength of their preference for the likely health outcomes. On the ...

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