The meaning of global outcome measures in pain clinical trials: more than just change in pain intensity.

Abstract

OBJECTIVES To understand the factors that contribute to patient and physician global outcome ratings and the extent to which receiving different doses of opioids or placebo might influence the importance of these factors better. METHODS A secondary analysis was performed using data from a prospective, multicenter, double-blind placebo-controlled, and… (More)
DOI: 10.1097/AJP.0b013e3182527b74

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