McAlister FA, Bakal JA, Green L, Bahler B, Lewanczuk R. The effect of provider affiliation with a primary care network on emergency department visits and hospital admissions. CMAJ. 2018 Mar 12;190(10):E276-84.
To examine whether patients of primary care networks had fewer visits to the emergency department and acute care hospital admissions than patients cared for by primary care physicians who are not affiliated with a primary care network (“conventional primary care”).The mean inpatient cost per patient was significantly lower in the primary care
network (PCMH‐like model).