10.1371/journal.pone.0202559.t005 Nerina Vecchio Nerina Vecchio Debbie Davies Debbie Davies Nicholas Rohde Nicholas Rohde Mean percentage covariate bias–matched and unmatched samples <sup>a</sup>. Public Library of Science 2018 community care services services increases ER visits healthcare services ER visits access shortfall PSM emergency room visits individual 2018-08-23 17:56:43 Dataset https://plos.figshare.com/articles/dataset/Mean_percentage_covariate_bias_matched_and_unmatched_samples_sup_a_sup_/7004009 <p>Mean percentage covariate bias–matched and unmatched samples <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0202559#t005fn001" target="_blank"><sup>a</sup></a>.</p>