Fig. 1
From: Effect modification of polypharmacy on incident frailty by chronic kidney disease in older adults
Overview of the Berlin Initiative Study (BIS) population. The flowchart shows the composition of the study population. The light gray section of the figure indicates the part of the BIS study that preceded this study. Frailty assessment was implemented at the 3rd follow-up (FU) of the BIS, defining the baseline visit for this study. Exclusion and inclusion criteria are displayed as well as the excluded participants for the regression analysis
AOK: statutory health insurance fund AOK Nordost– Die Gesundheitskasse