To begin with, in a recent cross-sectional study that included 3 680 individuals, a decreasing trend of adiponectin levels in populations with normoglycemia ( n = 2 449; mean, 4.0 [SD 2.9–5.5] mg/L), newly diagnosed prediabetes ( n = 1 077; mean, 3.7 [SD: 2.7–5.3] mg/L), and newly diagnosed T2D (n = 154; mean, 3.2 [SD 2.1–4.7] mg/L) was observed. 177 Moreover, in a case–control study comprisin
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