Skip to main content

Table 3 Univariate analysis of the associations with the combined endpoint

From: Characterization and clinical significance of right ventricular mechanics in pulmonary hypertension evaluated with cardiovascular magnetic resonance feature tracking

Variables

Death/Transplant/Worse NYHA (nā€‰=ā€‰78)

No endpoint (nā€‰=ā€‰32)

P

Clinical, CMR and hemodinamics variables

Age (yrs)

53ā€‰Ā±ā€‰12

50ā€‰Ā±ā€‰12

0.35

Sex (female)

54 (69.2Ā %)

27 (84.4Ā %)

0.15

Body surface area (m2)

1.8ā€‰Ā±ā€‰0.25

1.7ā€‰Ā±ā€‰0.22

0.45

Use of medication

71 (91Ā %)

10 (31Ā %)

<0.001

Smoking

5 (6.4Ā %)

3 (9.4Ā %)

0.059

NYHA class ā‰„2

71 (91Ā %)

3 (9.3Ā %)

<0.001

Systolic aortic pressure (mm Hg)

119ā€‰Ā±ā€‰18

127ā€‰Ā±ā€‰20.5

0.03

PAWP (mm Hg)

9.7ā€‰Ā±ā€‰4.2

10.1ā€‰Ā±ā€‰4.7

0.38

Cardiac index (L/min/m2)

3ā€‰Ā±ā€‰1

3.6ā€‰Ā±ā€‰1.57

0.04

Systolic PA pressure (mm Hg)

73.2ā€‰Ā±ā€‰20.3

58.1ā€‰Ā±ā€‰19.1

0.004

Mean PA pressure (mm Hg)

44.6ā€‰Ā±ā€‰11.8

27.5ā€‰Ā±ā€‰12.2

<0.001

RA pressure

9.4ā€‰Ā±ā€‰7.9

6.4ā€‰Ā±ā€‰3.0

0.18

PVRI (Woods units x m2)

6.6 [3.9ā€“10.3]

2.4 [1.5ā€“6.8]

0.004

PA sat (%)

62ā€‰Ā±ā€‰11.6

71ā€‰Ā±ā€‰4.8

0.002

LVEF (%)

56.9ā€‰Ā±ā€‰10.8

62.5ā€‰Ā±ā€‰5.5

<0.001

LVEDVi (mL/m2)

64ā€‰Ā±ā€‰18

72ā€‰Ā±ā€‰14

0.036

LVESVi (mL/m2)

27.7ā€‰Ā±ā€‰10.9

27.3ā€‰Ā±ā€‰6.7

0.82

RVEF (%)

37.38ā€‰Ā±ā€‰12.4

53.7ā€‰Ā±ā€‰9.4

<0.001

RVEDVi (mL/m2)

112 [87.6ā€“144.6]

75 [69.9ā€“97.9]

0.01

RVESVi (mL/m2)

70 [44.9ā€“95.4]

35.2 [28.7ā€“48.3]

<0.001

RV mass index (gr/m2)

29.8 [23.5ā€“35.1]

18.4 [14.3ā€“22.9]

0.001

LGE

39 (50Ā %)

5 (15.6Ā %)

0.01

RA area

26ā€‰Ā±ā€‰9.4

20ā€‰Ā±ā€‰5.8

0.001

Strain parameters

GLS (%)

- 13.57ā€‰Ā±ā€‰5.5

-19.01ā€‰Ā±ā€‰5.7

<0.001

GCS (%)

-9.6ā€‰Ā±ā€‰4.2

-12.58ā€‰Ā±ā€‰3.7

0.007

GLSR (s-1)

-0.94ā€‰Ā±ā€‰0.3

-1.33ā€‰Ā±ā€‰0.4

<0.001

GCSR (s-1)

-0.67 [-0.7 - (-0.4)]

-0.92 [-1.1 - (-0.8)]

<0.001

  1. Values are meanā€‰Ā±ā€‰standard deviation, n (%), or median [interquartile range]
  2. GCS global circumferential strain, GCSR global circumferential strain rate, GLS global longitudinal strain, GLSR global longitudinal strain rate, LGE late gadolinium enhancement, LVEF left ventricular ejection fraction, LVEDVi left ventricular end-diastolic volume index, LVESVi left ventricular end-systolic volume index, NYHA New York Heart Association, PA pulmonary artery, PAWP pulmonary artery wedge pressure, PVRI pulmonary vascular resistance index, RA right atrium, RVEDVi right ventricular end-diastolic volume index, RVEF right ventricular ejection fraction, RVESVi right ventricular end-systolic volume index