Supplement 1. eMethods. Detailed Description of Statistical Analysis eTable 1. Codes to Identify Receipt of Dialysis or Kidney Transplantation Using Administrative Data From Alberta, Canada eTable 2. Cohort Formation eTable 3. Selected Baseline Patient Characteristics, By Age eTable 4. Sex-Specific 5-Year Risks (95% CIs) of Death Overall, Death With or Without Receiving Kidney Replacement Therapy From the Documentation of G5-CKD, Overall and By Baseline Age and Comorbidities, and Both eTable 5.