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Table 3 Distribution of the values of measurements obtained by ICG considered to be used to screen LVDD (n = 157). Mann-Whitney test

From: Systolic time ratio measured by impedance cardiography accurately screens left ventricular diastolic dysfunction in patients with arterial hypertension

  All patients
(n = 157)
Without LVDD
(n = 55)
With LVDD
(n = 102)
p
PEP (ms), median (P25-P75) 93
(80–105)
105
(96–120)
88
(74–95)
< 0.001
LVET (ms), median (P25-P75) 332
(291–370)
290
(262–320)
353
(320–383)
< 0.001
STR, median (P25-P75) 0.28
(0.21–0.33)
0.36
(0.32–0.41)
0.26
(0.22–0.28)
< 0.001
TFC (1/kΩ), median (P25-P75) 31.3
(27.6–34.7)
30.7
(27.4–34.0)
31.6
(27.9–35.2)
0.104
D wave, n (%) 83
(52.9)
2
(1.9)
81
(79.4)
< 0.001
  1. ICG impedance cardiography, LVDD left ventricular diastolic dysfunction, LVET left ventricle ejection time, PEP pre-ejection period, STR systolic time ratio, TFC thoracic fluid content