Last week's meeting registered total unaudited attendance of 52,980 through Friday, November 30, compared with total unaudited attendance of 58,232 the year before. After a final audit, official attendance at the 2011 meeting was calculated at 59,097; 2012 audited numbers won't be available for several more weeks.
RSNA 2012 saw declines in both professional and exhibitor attendees, but the biggest drop was due to a change in RSNA policy this year regarding guests. RSNA this year initiated a guest registration fee, which may have contributed to a 36% drop in attendees in the "guest/other" category, from 8,415 attendees in 2011 to 5,413 attendees in 2012.
The number of professional attendees at the 2012 show was 26,273, down 4% compared with 27,308 attendees at the 2011 meeting. In the exhibitor category, there were 21,294 attendees, down 5% compared with 22,509 attendees in 2011.