Table 2. Fleiss' kappa values.

	Fleiss' kappa	95% confidence interval
(a) Initial test set of 26 images
Vitreoretinal interface	0.61	0.55−0.67
Shape	0.71	0.65−0.76
Presence of RPE abnormality	0.78	0.71−0.85
Inner retina	0.63	0.55−0.71
Outer retina	0.71	0.66−0.76
(b) Final test set of 10 images
Vitreoretinal interface	0.81	0.75−0.86
Shape	0.82	0.74−0.88
Presence of RPE abnormality	0.76	0.71−0.81
Inner retina	0.95	0.91−0.99
Outer retina	0.79	0.73−0.85

Abbreviation: RPE, retinal pigment epithelium.