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Table 2 Echocardiographic variable comparison between groups

From: The value of lung ultrasound score combined with echocardiography in assessing right heart function in patients undergoing maintenance hemodialysis and experiencing pulmonary hypertension

Variable

Group 1 (n = 39)

Group 2 (n = 28)

Group 3 (n = 20)

F/χ2

P

LVEF (%)

57.21 ± 1.97

55.68 ± 1.98a

54.15 ± 2.11ab

15.854

 < 0.001

IVS (mm)

10.37 ± 0.76

11.96 ± 1.13a

12.22 ± 0.88ab

36.726

 < 0.001

LVPW (mm)

10.13 ± 0.58

11.38 ± 0.83a

11.43 ± 0.67ab

35.999

 < 0.001

E/e’

12.27 ± 5.36

12.36 ± 4.83

13.95 ± 5.23

0.782

0.461

RAD (mm)

36.95 ± 2.29

38.75 ± 2.03a

41.20 ± 3.35ab

19.336

 < 0.001

RVD1 (mm)

34.21 ± 2.35

35.93 ± 2.90a

37.85 ± 2.99ab

15.293

 < 0.001

RVD2 (mm)

28.26 ± 2.34

30.11 ± 1.96a

31.95 ± 2.82ab

16.903

 < 0.001

PAD (mm)

25.10 ± 2.19

27.07 ± 1.96a

28.9 ± 2.73ab

19.517

 < 0.001

TAPSE (mm)

19.95 ± 2.80

19.39 ± 2.93

15.62 ± 3.09ab

15.510

 < 0.001

FAC (mm)

42.05 ± 4.11

38.54 ± 3.81a

33.8 ± 4.74ab

26.138

 < 0.001

S’(mm)

13.43 ± 2.52

11.22 ± 1.96a

9.62 ± 1.46ab

22.474

 < 0.001

RVEDV (ml/m2)

50.59 ± 3.63

53.33 ± 3.71a

56.25 ± 4.17a

15.115

 < 0.001

RVESV (ml/m2)

25.71 ± 2.46

28.97 ± 2.81a

34.27 ± 4.05ab

41.746

 < 0.001

RVSV (ml/m2)

24.88 ± 2.00

24.36 ± 1.65

21.97 ± 2.35ab

14.614

 < 0.001

RVEF (%)

49.21 ± 2.49

45.74 ± 2.41a

39.16 ± 4.17ab

77.312

 < 0.001

RVFWLS (%)

−22.67 ± 2.21

−19.60 ± 1.81a

−17.08 ± 1.19ab

54.416

 < 0.001

LUS

3.51 ± 2.54

5.11 ± 2.65a

6.95 ± 1.70ab

13.649

 < 0.001

  1. Data are expressed as mean ± SD
  2. LVEF left ventricular ejection fraction, IVS interventricular septal thickness, LVPW Left ventricular posterior wall thickness, RAD right atrial diameter, RVD1 right ventricular basal diameter, RVD2 right ventricular mid-cavity diameter, PAD main pulmonary artery diameter, TAPSE tricuspid annular plane systolic excursion, FAC right ventricular area change score, S’ tricuspid annular systolic peak velocity, RVEDV right ventricular end-diastolic volume, RVESV right ventricular end-systolic volume, RVSV right ventricular stroke volume, RVEF right ventricular ejection fraction, RVFWLS longitudinal strain of the right ventricular free wall, LUS lung ultrasound score
  3. Compared with Group 2, a p < 0.05
  4. Compared with Group 3, b p < 0.05