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  • Title: Physician assistant utilization in U.S. emergency departments; 2010 to 2017.
    Author: Wu F, Darracq MA.
    Journal: Am J Emerg Med; 2021 Apr; 42():132-136. PubMed ID: 32067840.
    Abstract:
    BACKGROUND: Physician Assistants (PAs) are widely used in United States (US) Emergency Departments (EDs). We sought to characterize ED PA utilization and practice characteristics in US EDs 2010-2017. METHODS: A retrospective, secondary analysis of the 2010 to 2017 Center for Disease Control's National Hospital Ambulatory Medical Care Survey (NHAMCS) was performed. National estimates of ED visits involving PAs alone (PA), PAs with physician involvement (PA+), or physician only (PHYS) were analyzed for patient demographics and hospital characteristics. RESULTS: Between 2010 and 2017, an estimated 1 billion US ED visits occurred. 5.0% (95% confidence interval [CI] ±2.7%) of visits were seen by a PA, and 8.2% (±2.7%) by a PA+; 76.3% (±7.2%) by PHYS. No linear trends by year were identified in PA or PA+ visits. PA acuity was highest for semi-urgent/nonurgent (56.4%, ±10.7%). PA see the minority of ambulance arrival [5.8% (±1.3)] and admit less patients [1.7% (±0.7%)]. Less laboratory [53.3% (±10.2%) vs. 67.0% (±6.2%)] and radiographic [38.8% (±6.6%) vs. 51.6% (±4.6%) studies were performed during PA vs. PHYS visits. PA visits were most common for patients 25-44 years old (yo) (32.9%, ±6.2%) and 15-24 yo (19.2%, ±3.7%). Most PA visits result in a length of stay (LOS) between 1 and 1.9 h (32.9%, ±6.7%) compared to most PHYS visits resulting in a LOS >3 h (40.3%, ±3%). CONCLUSIONS: From 2010 to 2017, no linear trends in US ED PA and PA+ utilization were identified. PHYS continue to see the majority of ED patients.
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