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Table 2 Distribution of ICG parameters (value and 95% CI) in groups with different ejection fraction

From: Comparing impedance cardiography and echocardiography in the assessment of reduced left ventricular systolic function

EF ≥50% (n = 13) 40-49% (n = 10) 30-39% (n = 6) <30% (n = 7) p-value
CI 2.808 (2.56–3.5) 3.14 (2.42–3.53) 2.6 (2.46–3.29) 2.7 (2.05–2.92) 0.1180
SI 42.15 (37.04–47.27) 35.95 (26.96–44.83) 36.86 (28.77–44.94 38.83 (27.46–50.2) 0.2708
PEP 110.31 (94.38–126,23) 108.4 (95.71–121.1) 139.5 (110.23–168.77) 148 (125.2–170.79) 0.0069*
LVET 323.08 (285.77–360.38) 292.7 (271.06–314.34) 262 (222.78–301.22) 268.43 (212.7–324.15) 0.0462*
STR 0.35 (0.29–0.41) 0.38 (0.32–0.43) 0.54 (0.41–0.66) 0.75 (0.4–0.77) 0.0031*
ETR 37.15 (34.65–39.66) 37.3 (32.02–42.58) 32.66 (30.04–35.29) 34.57 (32.51–36.63) 0.1934
VI 33.77 (29.28–38.26) 38.4 (29.9–46.9) 35.17 (20.42–49.9) 40 (26.12–53.88) 0.61
ACI 51.84 (42.92–60.77) 64.6 (44.59–84.61) 66 (41.33–90.67) 68.14 (50.3–85.98) 0.26
HI 7.9 (5.81–9.98) 10.03 (6.44–13.61) 6.18 (2.98–9.39) 5.8 (2.59–9.0) 0.1006
LCWI 3.17 (2.7–3.63) 3.95 (2.96–4.93) 3.02 (2.5–3.52) 2.87 (2.38–3.35) 0.2624
SVRI 2452 (2099–2806) 2435 (1899–2971) 2662 (2179–3145) 2511 (1743–3279) 0.8549
TFC 35.12 (2.43–3.17) 33.89 (2.65–3.63) 39.63 (2.17–3.02) 43.99 (2.11–3.28) 0.1461
  1. * p value of <0,05.