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Relationship of patient frailty (frailty index) with antidiabetic medication regimen (exposure) and mortality (outcome), unadjusted analyses. (A) Boxplot of patient frailty (FI) by antidiabetic medication regimen categories. (B) Hazard ratio of outcome, time-to-death, by frailty index relative to median patient frailty (FI = 0.22) – unadjusted Cox proportional hazards model and boxplot of patient FI.
