The 2009 National Ambulatory Medical Care Survey of 5200 physicians (70% response rate) by the National Center for Health Statistics showed that 51.7% of office-based physicians did not use any EMR/EHR system.
2009年國家健康統計中心舉行的對5200名醫師的全國門診醫療護理調查(反饋率70%)顯示51.7%辦公室工作的醫師並未使用任何EMR或EHR系統。