Figures & data
Figure 1. Sample selection (prevalence of hyperkalemia). Abbreviation. HMO, health maintenance organization.
Figure 2. Prevalence of hyperkalemia in the 5% Medicare sample (2010–2014). Abbreviation. CKD, chronic kidney disease.
Figure 3. Sample selection (economic burden of hyperkalemia). Abbreviations. HMO, health maintenance organization; ICD-9-CM, International Classification of Diseases, Ninth Revision, Clinical Modification.
Table 1. Baseline characteristics of matched patients with hyperkalemia and patients without hyperkalemia in the 5% Medicare sample (2010–2014).
Table 2. Comparison of all-cause healthcare resource utilization of matched patients with hyperkalemia and patients without hyperkalemia within 30 days and 1 year of the index date in 5% Medicare sample (2010–2014).
Figure 4. Comparison of mean all-cause medical costs within (A) 30 days and (B) 1 year between matched patients with and without hyperkalemia in the 5% Medicare sample (2010–2014). Abbreviations. ED, emergency department; SNF, skilled nursing facility. Hospice and home health agency visits were combined with “Other claims”, including claims for durable medical equipment such as blood sugar monitors, walkers, hospital beds, etc.
Table 3. Comparison of mean all-cause total medical costs of matched patients with and without hyperkalemia in the 5% Medicare sample by subgroup (2010–2014).
Data availability statement
This study used a 5% random sample of the Medicare claims database provided by the Centers for Medicare & Medicaid Services to Analysis Group, Inc. and is not publically available. For information regarding access to the data used in this study please visit https://www.resdac.org.