The value of heterogeneity for cost-effectiveness subgroup analysis: conceptual framework and application.

Med Decis Making · 2014 · PMC4232328 · PMID 24944196

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a decreasing trendno p-value reported

As more subgroups are considered, the marginal net benefit gains obtained under the current information show diminishing marginal returns, and the expected value of perfect information shows a decreasing trend.

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