1. CDC Statistics on U.S. Hospital Emergency Department (ED) Use A National Center for Health Statistics (NCHS) Data Brief, Statistics for Total United States and Five Most Populous States, from 2012 June 24, 2016 Producer: Alexander Perry Director: Afzal Bari

2. In 2012, Emergency Department (ED) Visit Rates In Five Most Populous States Did Not Differ Significantly from National Rate June 24, 2016 | Alexander Perry Sources: Esther Hing, M.P.H. and Pinyao Rui, M.P.H., “Emergency Department Use in the Country’s Five Most Populous States and the Total United States, 2012,” NCHS Data Brief, June 2016. HOSPITAL ED RATES Emergency Department Visit Rates, by the Five Most Populous States, 2012 Visits per 100 persons In 2012, ED visit rate in US was 42 visits/100 people

3. Nationwide, Majority of Emergency Department Visits Were Made By Adults 18-64, Followed by Children, and Then Elderly June 24, 2016 | Alexander Perry Sources: Esther Hing, M.P.H. and Pinyao Rui, M.P.H., “Emergency Department Use in the Country’s Five Most Populous States and the Total United States, 2012,” NCHS Data Brief, June 2016. HOSPITAL ED RATES Distribution of ED Visits, by Patient Age and Five Most Populous States, 2012 Percent of Visitors 65 and Older 18-64 18 and Under

4. Nationwide, 85% of ED Visits Were Made to EDs Located in Metropolitan Statistical Areas June 24, 2016 | Alexander Perry Sources: Esther Hing, M.P.H. and Pinyao Rui, M.P.H., “Emergency Department Use in the Country’s Five Most Populous States and the Total United States, 2012,” NCHS Data Brief, June 2016. HOSPITAL ED RATES ED Visits Made to Urban Metropolitan Statistical Areas (MSAs), 2012 Percent of Visits High- volume ED Low- or Medium- volume ED *Estimate does not meet standards of reliability or precision * * High-volume EDs have 50,000 annual visits or more; low- or medium- volume EDs have less than 50,000 annual visits The percentage of visits to EDs in MSAs was higher in CA, FL and NY than was observed nationally

5. Nationwide, Plurality of Emergency Department Visits Funded by Private Insurance June 24, 2016 | Alexander Perry Sources: Esther Hing, M.P.H. and Pinyao Rui, M.P.H., “Emergency Department Use in the Country’s Five Most Populous States and the Total United States, 2012,” NCHS Data Brief, June 2016. HOSPITAL ED RATES Expected Primary Source of Payment For ED Visits, 2012 Percent of Visitors Other and unknown No Insurance Medicaid or CHIP Medicare Private Insurance * * * *Estimate does not meet standards of reliability or precision