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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
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Clinical Hypertension

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