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. Author manuscript; available in PMC: 2017 Apr 1.
Published in final edited form as: Ophthalmic Epidemiol. 2016 Mar 7;23(2):109–115. doi: 10.3109/09286586.2015.1099682

Table 4.

Final results from fundus image subset evaluated for quality control, Innovative Network for Sight Research Diabetic Eye Screening Study, United States.

Diabetic retinopathy diagnosis n (%)
(N = 138 patients)
No DR 208 (75.4)
Background DR 36 (13.0)
Pre-proliferative DR 2 (0.7)
Proliferative DR 4 (1.5)
Ungradable 26 (9.4)

DR, Diabetic retinopathy.