Table 1.

Copeptin in 359 healthy blood donors stratified by age.1

Blood donor age, years
18–2425–3435–4445–5455–6465–80
n466576488440
Copeptin, pmol/L
 Mean (SD)5.1 (2.4)4.1 (1.8)4.6 (2.0)4.8 (2.4)4.5 (2.6)5.0 (2.0)
 Median4.93.94.14.14.14.7
 Range1.8–13.81.0–8.81.0–11.41.0–12.91.0–13.82.4–11.3
  • 1 All age groups showed gaussian distribution (by Kolmogorov–Smirnov test). Differences in mean or median copeptin values between groups were not significant (by Kruskal–Wallis ANOVA).