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Covariate balance between new users of metformin and sulfonylureas using absolute standardized mean differences (SMD) before (unweighted) and after inverse probability of treatment weighting (weighted) for whole cohort (n=112 591). Dotted line indicates SMD cut-off at 0.1 where >0.1 indicates difference in covariates between the metformin and sulfonylurea users. BMI, body mass index; CKD, chronic kidney disease; COPD, chronic obstructive pulmonary disease; HbA1c, hemoglobin A1c.
