Fig. 2

The most important indices and AUC curves in DR participants. (A) Beta-carotene, niacin, protein, total saturated fatty acids and vitamin A were important dietary indices for males with DR. (B) Vitamin D, total saturated fatty acids, selenium, total fat and vitamin C were important dietary indices for females with DR. (C) Iron, dietary fiber, vitamin C, niacin and selenium are the most important indices for total participants with DR. (D) AUC in male, female and total groups