. Author manuscript; available in PMC: 2020 Nov 1.

Published in final edited form as: Graefes Arch Clin Exp Ophthalmol. 2019 Sep 9;257(11):2579–2585. doi: 10.1007/s00417-019-04470-4

Table 2:

Performance of image-based diagnosis of plus disease

	Grader 1			Grader 2
Image quality		Not gradable	2%		Not gradable	5%
		Acceptable	49%		Acceptable	49%
		Excellent	49%		Excellent	46%
Agreement with clinical exam (Cohen’s κ)	1.0			0.85
Number of false negatives	0			0