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. 2021 Apr 25;28(8):1667–1675. doi: 10.1093/jamia/ocab064

Table 2.

Characteristics of clinics and medical groups by year (N = 821)

Year
2014-2016 Percentage Point Change (None of the changes is statistically significant.)
2014 2015 2016
Health system affiliation (by ownership or management)
 No 39.8% 38.7% 37.8% −2.0%
 Yes 60.2% 61.3% 62.2% 2.0%
Geographic location
 Rural 17.8% 17.9% 17.9% 0.1%
 Urban 82.2% 82.1% 82.1% −0.1%
Type of practice
 Primary care only 43.1% 42.9% 44.7% 1.6%
 Specialty/mixed 56.9% 57.1% 55.3% −1.6%
Clinic size
 1-19 physicians 85.9% 83.3% 84.0% −1.9%
 20 or more physicians 14.1% 16.7% 16.0% 1.9%
Medical group size (number of clinics)
 1 5.0% 5.0% 5.0% 0
 2-10 26.4% 26.4% 26.4% 0
 11-20 10.7% 10.7% 10.7% 0
 21+ 57.9% 57.9% 57.9% 0
Electronic Health Record implementation
 2011 87.1% 87.1% 87.1% 0
 2012-2013 9.9% 9.9% 9.9% 0
 2014-2016 3.0% 3.0% 3.0% 0
EHR vendor
 Other 17.3% 16.2% 14% −3.3%
 Allscripts 6.5% 4.5% 5.6% −0.9%
 Centricity 2.8% 3.2% 1.7% −1.1%
 Cerner 5.7% 6% 5.8% 0.1%
 eClinicalWorks 5.6% 4.1% 5.7% 0.1%
 Epic 47.9% 58% 59.2% 11.3%
 Greenway 9.7% 4.1% 4.3% −5.4%
 NextGen 4.5% 3.9% 3.7% −0.8%
Electronic Health Record comprehensiveness
 EHR functionality scale (0-7) 4.7 4.7 5.0 0.3
 E-prescribing scale (0-6) 4.6 4.7 5.0 0.4