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. 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

TABLE 1.

Image Quality Ratings for 3612 Classifications by Image Modality and Standard Set

Quality FSR
[n (%)]		 DRRES
[n (%)]		 DRILO2011-D
[n (%)]
Good 536 (44.5) 792 (65.8) 827 (68.7)
Acceptable, no defects 410 (34.1) 332 (27.6) 337 (28.0)
Acceptable, some defects 228 (18.9) 74 (6.1) 39 (3.2)
Unacceptable 15 (1.2) 0 (0.0) 1 (0.1)
Missing/no indication 15 (1.2) 6 (0.5) 0 (0.0)

DRILO2011-D, digital radiograph interpreted using digitized ILO reference standards (2011-D); DRRES, digital radiograph interpreted using the “research” digitized standards; FSR, film-screen radiograph interpreted using 2000 ILO film-based reference standard; ILO, International Labour Organization.

Each chest radiograph from 172 miners was classified by seven National Institute for Occupational Safety and Health (NIOSH) B Readers for a total of 1204 classifications.