"For moderate or worse DR, the majority decision of ophthalmologists had a sensitivity of 0.838 and specificity of 0.981" Note that this is "majority decision"

"For moderate or worse DR, the majority decision of ophthalmologists had a sensitivity of 0.838 and specificity of 0.981" Note that this is "majority decision" of multiple ophthalmologists, which is going to be better than the average ophthalmologist's single diagnosis. http://www.aaojournal.org/article/S0161-6420(17)32698-2/abstract http://www.aaojournal.org/article/S0161-6420(17)32698-2/abst...