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. 2022 Sep 8;13:986303. doi: 10.3389/fendo.2022.986303

Figure 6.

Figure 6

(A) The serum level of Cit in T2DM group was higher than NPDR group with the AUC = 0.794. (B) The serum level of IAA in T2DM group was lower than NPDR group with the AUC = 0.867. (C) The serum level of IAA in T2DM group was lower than DR group with the AUC = 0.767. (D) The serum level of IAA in NPDR group was higher than PDR group with the AUC = 0.780. (E) The serum level of 1-MH in T2DM group was lower than PDR group with the AUC = 0.744. (F) The serum level of 1-MH in T2DM group was lower than DR group with the AUC = 0.728. (G) The serum level of hexanoylcarnitine in T2DM group was higher than NPDR group with the AUC = 0.839. (H) The serum level of hexanoylcarnitine in T2DM group was higher than DR group with the AUC = 0.767. (I) The serum level of CDCA in NPDR group was higher than PDR group with the AUC = 0.740. (J) The serum level of EPA in NPDR group was higher than PDR group with the AUC = 0.810. AUC, area under the curve; T2DM, type 2 diabetes mellitus; DR, diabetic retinopathy; NPDR, non-proliferative diabetic retinopathy; PDR, proliferative diabetic retinopathy; Cit, L-Citrulline; IAA, Indoleacetic acid; 1-MH, 1-Methylhistidine; CDCA, Chenodeoxycholic acid; EPA, Eicosapentaenoic acid.