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Table 2 Intra-observer reproducibility for directly measured ultrasound variables

From: Left ventricular-arterial coupling as a predictor of stroke volume response to norepinephrine in septic shock – a prospective cohort study

Variables

LVEDV

LVESV

VTI

Tpre-e

Ttot-s

CV (%, 95 CI)

3.6 (2.8–4.5)

4.7 (3.7–5.7)

1.9 (1.3–2.5)

6.1 (3.9–8.4)

2.3 (1.7–2.9)

LSC (%, 95 CI)

5.8 (4.5–7.2)

7.6 (6.0–9.2)

3.0 (2.1–4.0)

9.8 (6.2–13.4)

3.6 (2.7–4.6)

  1. CV coefficient of variation; LSC least significant change; LVEDV left ventricular end-diastolic volume; LDESV left ventricular end-systolic volume; VTI velocity-time integral; Tpre-e pre-ejection time; Ttot-s total systolic time; CI confidence interval