Skip to main content
. Author manuscript; available in PMC: 2015 Sep 9.
Published in final edited form as: Acad Radiol. 2014 Mar;21(3):305–311. doi: 10.1016/j.acra.2013.11.019

Figure 1.

Figure 1

Profusion of small opacities for 1204 classifications by image type and in the case of digital images by reference standard used. Small opacity profusion designations are standard International Labour Organization (ILO) designations. Inset panel is data presented without “0/0” classifications for viewing purposes. DRRES, digital radiograph interpreted using the “research” digitized standards; DRILO2011-D, digital radiograph interpreted using digitized ILO reference standards (2011-D); FSR, film-screen radiograph interpreted using 2000 ILO film-based reference standard.