National Hospital Ambulatory Medical Care Survey (NHAMCS) for Dementia Researchers, 2014-2019

This series of data files are intended for use in cognitive decline and Alzheimer’s disease and related dementias (ADRD) research. The files include six datasets derived from the 2014-2019 National Hospital Ambulatory Medical Care Survey (NHAMCS) Emergency Department (ED) files. NHAMCS provides users with detailed information on patient visits to EDs across the United States.<br><br>The provided datasets include sociodemographic information on respondents’ census region, age, sex, and race, the patient's reason for visit, number of chronic conditions, and expected source of payment. Full ICD-9-CM and truncated ICD-10-CM codes were used to identify patient visits with an ADRD or other cognitive impairment. Brief and detailed summaries of the variables available in these datasets along with more detailed descriptions of performed calculations can be found in the provided data dictionaries. SAS, Stata, and CSV file formats are provided.