The Circadian Rhythm of Copeptin, the C-Terminal Portion of Arginine Vasopressin

Figure 2

Mean (±SEM) (a) and median (b) plasma concentrations of copeptin (pmol/L) over a 24-hour period. Full circles: patients with baseline copeptin level ≥ median baseline level (e.g., 4.8 pmol/L). Open circles: patients with baseline copeptin level < median (e.g., 4.8 pmol/L).

(a)

(b)