AVP and diabetes mellitus: Interestingly, no differences were detected in copeptin levels between patients with (n = 35) or without diabetes (n = 69) at any time points at copeptin T1 444 (IQR, 301–770) vs 562 (IQR, 328–867) pg/mL, p = 0.31; at copeptin T2 383 (IQR, 247–623) vs 484 (IQR, 334–772) pg/mL, p = 0.09; at copeptin T3 484 (IQR, 299–684) vs 560 (IQR, 305–846) pg/mL, p = 0.55.