NCHS Data Brief. 2022 Nov(452):1-8.
In 2020, an estimated 131 million emergency department (ED) visits occurred in the United States, with 19.0% of adults reporting a visit and 4.7% of children reporting two or more visits in the past 12 months (1-3). In that time, over 20 million cases of COVID-19 caused a disruption in access to and use of care (4). This report presents characteristics of ED visits, including those with mentions of COVID-19, by age group, sex, race and ethnicity, and primary expected source of payment, using data from the 2020 National Hospital Ambulatory Medical Care Survey (NHAMCS)(5).
2020 年，美国估计有 1.31 亿人次到急诊部（ED）就诊，19.0%的成年人报告就诊，4.7%的儿童在过去 12 个月内报告就诊两次或以上(1-3)。在此期间，超过 2000 万例 COVID-19 病例导致获得和使用医疗服务的机会受到干扰(4)。本报告使用 2020 年全国医院门诊医疗调查（NHAMCS）的数据(5)，介绍了按年龄组、性别、种族和民族以及主要预期支付来源分类的 ED 就诊情况，包括与 COVID-19 相关的就诊情况。
