Table 3.

International clinical DR severity level in whole images acquired from Optos vs. Clarus

International clinical DR severity level from Optos	International clinical DR severity level from Clarus					Total
	No DR	Mild NPDR	Moderate NPDR	Severe NPDR	PDR
No DR	0	0	0	0	0	0
Mild NPDR	0	0	1	0	0	1
Moderate NPDR	0	0	27	3	0	30
Severe NPDR	0	0	1	10	0	11
PDR	0	0	0	0	4	4
Total	0	0	29	13	4	46

Boldface numbers indicate perfect agreement

DR diabetic retinopathy, NPDR nonproliferative diabetic retinopathy, PDR proliferative diabetic retinopathy