Table 2. Mean and standard deviation of accuracy, sensitivity and specificity obtained from 5 experiments for each case on images containing only retina surfaces.

Days	Day0-Day2	Day0-Day6	Day0-Day14
mean of accuracy ± std	0.84 ± 0.126	0.9099 ± 0.077	0.8895 ± 0.0288
mean of sensitivity ± std	0.826 ± 0.145	0.885 ± 0.125	0.972 ± 0.04
mean of specificity ± std	0.866 ± 0.139	0.9708 ± 0.06	0.8356 ± 0.062