NAMPT and gestational diabetes: Similar relationships, though with lower values, were observed for the cord visfatin level, namely 35.4 ± 10.4 ng/mL for GDM G1, 36.7 ± 12.0 ng/mL for GDM G2, and 21.0 ± 5.8 ng/mL for the non-GDM cohort, respectively.