Fig. 4
From: Time course of fluid responsiveness in sepsis: the fluid challenge revisiting (FCREV) study
Velocity time integral (VTI) course over time in non-responders (NR), transient responders (TR), and persistent responders (PR). *Difference between VTI value at baseline between NR, TR, and NR groups (p = 0.0003). §Significant interaction between time and groups (p < 0.0001): stability of VTI over time in the NR group, VTI increase from T0 to T10, and subsequent decrease from T10 to T30 in TR and PR groups, with crossing curves between T10 and T20