Figure 1 — Frailty modifies the association between opioid use and mortality in chronic kidney disease patients with diabetes: a population-based cohort study

Research Paper|Volume 12, Issue 21|pp. 21730–21746

Frailty modifies the association between opioid use and mortality in chronic kidney disease patients with diabetes: a population-based cohort study

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Figure 1.The selection and analytic workflow of study participants from the longitudinal cohort of diabetes patients (LCDPs). CKD, chronic kidney disease; DM, diabetes mellitus; OPD, outpatient department.