Skip to main content

Table 2 Univariate analysis: Primary end-point (time to death from any cause or an unplanned hospitalization for a major cardiovascular event).

From: Right ventricular dysfunction is a predictor of non-response and clinical outcome following cardiac resynchronization therapy

 

Events (n = 18)

No Events (n = 42)

HR

95% CI

P value

Age (years)

69.6 ± 11.9

63.3 ± 12.3

1.04

0.99-1.09

0.07

Male gender

14 (78%)

32 (76%)

1.14

0.37-3.46

0.82

CAD

10 (56%)

17 (41%)

1.73

0.68-4.38

0.25

Atrial fibrillation

6 (39%)

8 (17%)

2.63

1.02-6.84

0.047

Heart rate (bpm)

79.2 ± 19.4

74.1 ± 12.5

1.02

0.99-1.05

0.22

SBP (mmHg)

124 ± 22

118 ± 19

1.01

0.99-1.04

0.36

QRS width (ms)

151 ± 25

158 ± 21

0.99

0.96-1.01

0.23

Left ventricle

     

EDV index (mL/m2)

159 ± 54

173 ± 64

0.99

0.98-1.00

0.09

ESV index (mL/m2)

120 ± 52

126 ± 56

0.99

0.98-1.00

0.19

EF (%)

26.9 ± 9.5

28.9 ± 7.6

1.00

0.94-1.06

0.93

Mass index (g/m2)

106 ± 25

115 ± 32

0.98

0.97-1.00

0.08

Mitral regurgitation

1.3 ± 0.6

1.2 ± 0.8

1.33

0.73-2.44

0.35

LGE

13 (72%)

27 (64%)

1.57

0.50-3.98

0.51

LGE (%)

9.5 (0-20)

3 (0-17)

1.01

0.98-1.05

0.54

Myocardial infarction

9 (50%)

16 (38%)

1.57

0.62-3.95

0.34

Right ventricle

     

EDV index (mL/m2)

95 (76-138)

77 (60-103)

1.01

1.00-1.02

0.12

ESV index (mL/m2)

52 (35-102)

34 (21-66)

1.01

1.00-1.02

0.06

EF (%)

39 (25-54)

55 (43-66)

0.96

0.94-0.99

0.006

TAPSE (mm)

11.0 ± 4.4

14.5 ± 5.9

0.88

0.80-0.96

0.006

Wall thickness (mm)

3.9 ± 1.0

3.5 ± 0.9

1.54

0.93-2.56

0.09

PAP (mmHg)

42.5 ± 8.3

37.5 ± 8.5

1.06

1.00-1.12

0.07

  1. Values are n (%), mean ± SD, or median (25th - 75th percentile). HR = hazard ratio; CI = confidence interval. CAD = Coronary artery disease; SBP = systolic blood pressure; LGE = late gadolinium enhancement; PAP = Pulmonary artery pressure. Other abbreviations as in table 1.