Table 1. Inter-expert agreement in plus disease diagnosis by 6 retinopathy of prematurity (ROP) experts from reviewing 7 wide-angle retinal images.

Experts were asked to provide a diagnosis (plus, pre-plus, or neither) while “thinking aloud” to describe their underlying reasoning process.

Image	Diagnosis
	Plus	Pre-Plus	Neither
1	0/6 (0%)	4/6 (67%)	2/6 (33%)
2	3/6 (50%)	1/6 (17%)	2/6 (33%)
3	3/6 (50%)	2/6 (33%)	1/6 (17%)
4	5/6 (83%)	1/6 (17%)	0/6 (0%)
5	2/6 (33%)	3/6 (50%)	1/6 (17%)
6	5/6 (83%)	1/6 (17%)	0/6 (0%)
7	5/6 (83%)	1/6 (175)	0/6 (0%)