Layers display 30-day readmission rates, emergency room visits within 30 days of discharge, and follow-up visits within 14 days of discharge for Medicare beneficiaries as of year 2019 by county, state, and Hospital Service Area (HSA). Data are obtained from the Dartmouth Atlas Post-Discharge Events. Affected map layers:
- Readmissions after Medical Discharge
 - Readmissions after Surgical Discharge
 - Primary Care Visits after Surgical Discharge
 - ER Visits after Surgical Discharge
 - Primary Care Visits after Medical Discharge
 - Ambulatory Visits after Medical Discharge
 - ER Visits after Medical Discharge