Propensity score to detect baseline imbalance in cluster randomized trials: the role of the c-statistic
Crossref DOI link: https://doi.org/10.1186/s12874-015-0100-4
Published Online: 2016-01-22
Published Print: 2016-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Leyrat, Clémence
Caille, Agnès
Foucher, Yohann
Giraudeau, Bruno