MT-ND1 and type 2 diabetes mellitus: When patients in the Obese BS group were further classified as MetS (n = 4), T2D (n = 7), and none (n = 2), they all had a higher mean ND1/18S rRNA ratio in PBM cells than HC, but the differences were not statistically significant, probably due to small sample sizes (Supplemental Figure S4B, Supplemental Table S4).