Fig. 1From: Total knee arthroplasty in the outpatient vs inpatient settings: impact of site of care on early postoperative economic and clinical outcomesCovariate balance in the initial vs matched dataset. After matching, absolute mean differences were lower than 0.05 for all included covariates. (For all covariates: the x-axis represents absolute mean differences, except for the Distance, for which the x-axis represents the standardized mean difference)Back to article page