During 2009-2011,Hispanic adults aged 18-64 years were less likely (6.6%) than non-Hispanic blacks (13.2%) and approximately as likely as non-Hispanic whites (7.1%) to have made two or more visits to an emergency department in the preceding 12 months. Among Hispanic subpopulations, Puerto Rican adults had the highest percentage (13.2%) of two or more emergency department visits in the preceding 12 months, and followed by other Hispanic adults (8.2%),Cuban adults (6.4%), Mexican adults (5.6%), or Central or South American adults (5.6%).
Source: cdc.gov