Table 7.

Inner context measures

Practice type	Solo, single-specialty, multispecialty (NAMCS-EMR Q11-13)
Degree of integration	Practice owned by physician/group, HMO, CHC, AMC, other hospital, other corp. (NAMCS-EMR Q22)
Practice size	Number of physicians (NAMCS-EMR Q12)
Practice staffing	Number of mid-level providers (NAMCS-EMR Q14)
Patient volume	Number of office visits in a normal week (NAMCS-EMR Q10)/per provider full time equivalent (FTE)
Payer mix	Percent patient care revenue from Medicare, Medicaid, private insurance, other (NAMCS-EMR Q23)
EMR capabilities	Number and use of computerized capabilities (NAMCS-EMR Q18a-Q18j)

Items from the 2010 National Ambulatory Medical Care Survey electronic medical records