Figure 3From: Characteristics of primary care office visits to nurse practitioners, physician assistants and physicians in United States Veterans Health Administration facilities, 2005 to 2010:a retrospective cross-sectional analysis Percentage of visits to each provider type by primary visit diagnosis (10 leading diagnoses by frequency), 2010. *Only visits to physicians, nurse practitioners, and physician assistants were included. Cardiovascular disorders exclude hypertension since hypertension is a separate category. COPD = chronic obstructive lung disease.Back to article page