Fig. 2

Microcirculatory parameters. Total vessel density (a), microvascular flow index (b), proportion of perfused vessels (c), and perfused vessel density (d) on the first (T0), second (T1), and third (T2) days after the ICU discharge. *p ≤ 0.05; **p ≤ 0.01; ***p ≤ 0.001