Figure 2. Subgroup Analysis of Hazard Ratios for the Primary Outcome during the Intervention Period (through August 20, 2015).
The box sizes are proportional to the precision of the estimates, with larger boxes indicating a greater degree of precision. The subgroup of participants with no previous chronic kidney disease includes some participants with unknown status with respect to chronic kidney disease at baseline. Black race includes Hispanic Black and Black as part of a multiracial identification. P values were adjusted for multiple subgroups tested.