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Comparison of PUFAR amongst DM and different DR statuses.
PUFAR: serum ω-6/ω-3 polyunsaturated fatty acids ratio; DM: type 2 diabetic retinopathy patients without diabetic retinopathy; DR: type 2 diabetic patients with diabetic retinopathy; NPDR: nonproliferative DR; PDR: proliferative DR. * p < 0·001.
