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Receiver-operating characteristic curve for test 2 (no apparent diabetic retinopathy [NDR] vs. proliferative diabetic retinopathy [PDR]) for Optos, optical coherence tomography angiography (OCTA), and Optos OCTA images. The order of imaging methods used based on the accuracy of their results was as follows: Optos, Optos OCTA, and OCTA.
