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Table 1 Characteristics of Ambulatory Clinics Included in the CPOE Study Sample (2014–2016)

From: Trends in the use of computerized physician order entry by health-system affiliated ambulatory clinics in the United States, 2014–2016

Year 2014 2015 2016
Number of clinics 19,109 19,109 19,109
Number of health systems 1657 1603 1548
Number of clinics per health system (standard deviation) 11.53 (26) 11.92 (27) 12.34 (29)
Number of clinics that are Primary Care (% of total clinics) 12,439 (65%) 12,336 (65%) 12,296 (64%)
Number of clinics in multi-hospital systems (% of total clinics) 13,301 (69%) 13,718 (72%) 13,887 (72%)
Number of physicians per clinic (standard deviation) 7.04 (32) 7.02 (32) 7.07 (32)
Number of clinics with EHRs (% of total clinics) 16,910 (88%) 17,944 (94%) 18,386 (96%)
Number of clinics with CPOE (% of total clinics) 11,049 (58%) 12,022 (63%) 12,785 (67%)
Number of clinics in Primary Care Practices with EHRs (% of Primary Care clinics) 10,991 (88%) 11,551 (94%) 11,796 (96%)
Number of clinics in multi-hospital systems with EHRs (as % of multi-hospital systems clinics) 12,020 (90%) 13,055 (95%) 13,500 (97%)