Fig. 2

Survival curves using the Kaplan–Meier method for patients categorized by different classification methods. (a) half division of CDAI, (b) tertile division of CDAI, (c) quartile division of CDAI, (d) half division of DII, (e) tertile division of DII, (f) quartile division of DII. CDAI, composite dietary antioxidant index; DII, Dietary Inflammatory Index