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Table 4 Estimated values of fixed effects on left ventricular and peripheral dP/dtmax according to a linear mixed model analysis

From: Performance comparison of ventricular and arterial dP/dtmax for assessing left ventricular systolic function during different experimental loading and contractile conditions

  LV dP/dtmax Femoral dP/dtmax Radial dP/dtmax
Cardiac factors
 Ees, mmHg ml−1 1674.7 (1394.9–1954.3) 326.2 (236.8–415.5) 382.9 (205.6–560.3)
 Ea, mmHg ml− 1 5.6 (− 116.3–127.5) 59.9 (28.2–91.6) − 47.5 (− 113.2–18.1)
 LV EDV, mL 1.2 (0.4–2.0)* 0.4 (0.2–0.7) 0.7 (0.2–1.2)
 Heart rate, bpm 21.3 (17.7–24.9) 3.3 (2.1–4.5) 8.2 (6.1–10.3)
Arterial factors
 TVR, dyn cm s− 5   − 0.1 (− 0.2 – − 0.1) −0.3 (− 0.4 – − 0.2)
 Cart, ml mmHg− 1   − 69.5 (− 89.7 – − 49.3) −90.9 (− 112.2 – − 69.6)
Preload-dependency
 SVV, % −7.46 (− 12.52 – − 2.40) −6.62 (− 8.07 – − 5.18) −8.42 (− 9.83 – − 7.01)
  1. Estimates are presented as estimated values (95% confidence interval). Estimates reflect the average change in the dependent variable per unit increase of the fixed effect
  2. LV left ventricle, Ees left ventricular end-systolic elastance, Ea effective arterial elastance, EDV end-diastolic volume, TVR total vascular resistance, Cart arterial compliance, SVV femoral pulse pressure-derived stroke volume variation, dP/dtmax peak rate of pressure
  3. *P < 0.05; P < 0.01; P < 0.001