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. Author manuscript; available in PMC: 2013 Jul 1.
Published in final edited form as: Retina. 2012 Oct;32(9):1884–1891. doi: 10.1097/IAE.0b013e3182509778

Table 5.

Grading Disagreement Types

Disagreement Types Number of
Eyes (of 38 Eyes)		 Percent
(of 38 Eyes)		 Result of Disagreement on CFP Relative
to FAF Measurement of GA
Extension of GA into PPA 5 13% Either overcalling or undercalling
Areas of GA Sparing 10 26% Either overcalling or undercalling
Depigmentation 20 53% Overcalling on CFP
Regressed Drusen and Small Areas of GA 7 18% Undercalling on CFP
Poor Contrast 12 32% Undercalling on CFP

CFP = color fundus photo; FAF = fundus autofluorescence; GA = geographic atrophy; PPA = peripapillary atrophy.