A matching method for improving covariate balance in cost-effectiveness analyses.

@article{Sekhon2012AMM,
  title={A matching method for improving covariate balance in cost-effectiveness analyses.},
  author={Jasjeet Singh Sekhon and Richard D Grieve},
  journal={Health economics},
  year={2012},
  volume={21 6},
  pages={
          695-714
        }
}
In cost-effectiveness analyses (CEA) that use randomized controlled trials (RCTs), covariates of prognostic importance may be imbalanced and warrant adjustment. In CEA that use non-randomized studies (NRS), the selection on observables assumption must hold for regression and matching methods to be unbiased. Even in restricted circumstances when this assumption is plausible, a key concern is how to adjust for imbalances in observed confounders. If the propensity score is misspecified, the… CONTINUE READING

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