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Workload of Radiologists in the United States in 2002–2003 and Trends Since 1991–1992¹

¹ From the Research Department, American College of Radiology, 1891 Preston White Dr, Reston, VA 20191 (M.B., J.H.S.) and the Department of Diagnostic Radiology, Yale University School of Medicine, New Haven, Conn (J.H.S.). Received July 28, 2004; revision requested October 6; revision received November 16; accepted December 21. Address correspondence to M.B. (e-mail: mythreyib{at}acr.org).

View larger version (27K): [in a new window]   Figure 1. Graph shows trends in workload per FTE radiologist from 1991–1992 to 2002–2003. The workload of radiologists, measured in terms of procedures and physician work RVUs per FTE, increased steadily through this period.

View larger version (38K): [in a new window]   Figure 2. Bar graph shows trends from 1991–1992 to 2002–2003 in number of procedures per FTE radiologist according to practice type. Numbers of procedures per FTE radiologist varied by practice type, but physicians in most practice types (private radiology, academic, government, and multispecialty) experienced statistically significant increases in workload per FTE radiologist during this period. * = Significantly different (P < .05) from number of procedures in 2002–2003, ** = significantly different (P < .01) from number of procedures in 2002–2003.

View larger version (38K): [in a new window]   Figure 3. Bar graph shows trends from 1991–1992 to 2002–2003 in number of procedures per FTE radiologist according to group size. The numbers below the x-axis refer to numbers of radiologists in a practice. The number of procedures per FTE radiologist increased significantly between 1991–1992 and 2002–2003 in every size category except that of practices with 30 or more radiologists. In all but the largest practices, workload increased steadily during the period, although differences between 1998–1999 and 2002–2003 alone generally were not statistically significant. * = Significantly different (P < .05) from number of procedures in 2002–2003, ** = significantly different (P < .01) from number of procedures in 2002–2003.

View larger version (35K): [in a new window]   Figure 4. Bar graph shows trends from 1991–1992 to 2002–2003 in number of procedures per FTE radiologist according to region. In the South and West, workload per FTE radiologist increased consistently during the period, and the difference in workload between 1992–1993 and 2002–2003 was statistically significant. There was no consistent pattern of growth in workload per FTE radiologist in practices in the Northeast and Midwest. * = Significantly different (P < .05) from number of procedures in 2002–2003, ** = significantly different (P < .01) from number of procedures in 2002–2003.

View larger version (29K): [in a new window]   Figure 5. Bar graph shows trends from 1991–1992 to 2002–2003 in number of procedures per FTE radiologist according to settings served. The number of procedures per FTE radiologist increased between 1991–1992 and 2002–2003 in all settings. * = Significantly different (P < .05) from number of procedures in 2002–2003, ** = significantly different (P < .01) from number of procedures in 2002–2003.

View larger version (34K): [in a new window]   Figure 6. Bar graph shows trends from 1995–1996 to 2002–2003 in number of procedures per FTE radiologist according to practice location. Procedures per FTE radiologist increased by a statistically significant amount between 1995–1996 and 2002–2003 in suburbs of large metropolitan areas, in main cities of small metropolitan areas, and in nonmetropolitan and rural practices. * = Significantly different (P < .05) from number of procedures in 2002–2003, ** = significantly different (P < .01) from number of procedures in 2002–2003.