Baseline characteristics of beneficiaries in the subgroup analysis examining potassium supplementation dose and all-cause death, before and after propensity score matching on potassium exposure status
This table contains 45 series, with data for years 1996 - 2003 (not all combinations necessarily have data for all years). This table contains data described by the following dimensions (Not all combi
Data reported to Centers for Disease Control and Prevention from 1999 to February 29, 2012. *The youngest person who met the inclusion criteria was 19 years old. **≤Primary: illiterate or primary scho
