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Table 2 Comparison of baseline characteristics between patients with and without death

From: Prognostic value of right atrial strain derived from cardiovascular magnetic resonance in non-ischemic dilated cardiomyopathy

Parameters

Total patients

(n = 624)

Death

(n = 116)

Survival

(n = 508)

P value

Clinical characteristics

    

Age (years)

48 ± 15

51 ± 17

47 ± 14

0.033

Men, n (%)

444 (71.2)

77 (66.4)

367 (72.2)

0.208

BMI (kg/m2)

24.1 ± 8.4

22.4 ± 3.8

24.5 ± 8.7

0.011

NYHA class

   

< 0.001

 I, n (%)

39 (6.3)

2 (1.7)

37 (7.3)

 

 II, n (%)

218 (34.9)

27 (23.3)

191 (37.6)

 III, n (%)

265 (42.5)

62 (53.4)

203 (40.0)

 IV, n (%)

102 (16.3)

25 (21.6)

77 (15.2)

Systolic BP (mmHg)

117 ± 18

111 ± 15

118 ± 19

< 0.001

Diastolic BP (mmHg)

76 ± 14

72 ± 11

77 ± 14

< 0.001

Heart rates (beats/min)

81 ± 17

80 ± 15

81 ± 17

0.368

Comorbidities

    

 Smoking, n (%)

292 (46.8)

57 (49.1)

235 (46.3)

0.575

 Alcohol, n (%)

186 (29.8)

35 (30.2)

151 (29.7)

0.924

 LBBB, n (%)

82 (13.1)

21 (18.1)

61 (12.0)

0.008

 Hypertension, n (%)

150 (24.0)

22 (19.0)

128 (25.2)

0.156

 Diabetes, n (%)

75 (12.0)

19 (16.4)

56 (11.0)

0.109

Laboratory data

    

 Serum creatinine (umol/L)

80 (69–97)

86 (72–108)

79 (67–94)

< 0.001

 Troponin T (ng/L)

19 (11–32)

31 (16–52)

17 (10–27)

< 0.001

 NT-proBNP (pg/ml)

1752 (623–3573)

2957 (1800–6082)

1348 (489–3013)

< 0.001

Medications

    

 ACEI/ARB/ARNI, n (%)

517 (82.9)

91 (78.4)

426 (83.9)

0.163

 β-blockers, n (%)

535 (85.7)

95 (81.9)

440 (86.6)

0.190

 Spironolactone, n (%)

493 (79.0)

95 (81.9)

398 (78.3)

0.397

 Diuretics, n (%)

468 (75.0)

99 (85.3)

369 (72.6)

0.004

 Digoxin, n (%)

174 (27.9)

49 (42.2)

125 (24.6)

< 0.001

 Warfarin, n (%)

77 (12.3)

22 (19.0)

55 (10.8)

0.016

CMR parameters

    

 LVEF (%)

25.4 ± 11.7

19.6 ± 7.4

26.6 ± 12.0

< 0.001

 LVEDVI (ml/m2)

181.2 ± 58.6

216.4 ± 59.5

173.7 ± 55.6

< 0.001

 LVESVI (ml/m2)

139.0 ± 58.3

175.8 ± 56.6

131.2 ± 55.7

< 0.001

 LVMI (g/m2)

87.3 ± 28.1

91.8 ± 30.3

86.4 ± 27.6

0.080

 RVEF (%)

36.7 ± 14.6

31.8 ± 14.8

37.7 ± 14.3

< 0.001

 LGE present, n (%)

261 (41.8)

71 (61.2)

191 (37.6)

< 0.001

 LAEDVI (ml/m2)

119.5 ± 65.5

149.6 ± 81.3

112.8 ± 59.5

< 0.001

 LAEF (%)

34.3 ± 15.8

26.0 ± 11.8

36.1 ± 16.0

< 0.001

 RAVI max (ml/m2)

50.4 ± 23.8

58.3 ± 30.0

48.6 ± 21.8

0.001

 RAVI p-ac (ml/m2)

42.6 ± 22.2

51.0 ± 28.5

40.7 ± 20.1

< 0.001

 RAVI min (ml/m2)

34.0 ± 22.0

43.1 ± 28.4

31.9 ± 19.8

< 0.001

 RA total fraction (%)

35.6 ± 14.0

30.3 ± 13.8

36.8 ± 13.8

< 0.001

 RA passive fraction (%)

16.6 ± 7.8

14.3 ± 6.5

17.1 ± 7.9

0.001

 RA active fraction (%)

23.4 ± 12.2

19.2 ± 11.9

24.3 ± 12.1

< 0.001

 RA reservoir strain (%)

23.2 ± 7.2

16.5 ± 10.5

24.7 ± 12.2

< 0.001

 RA conduit strain (%)

10.8 ± 6.4

7.5 ± 4.9

11.5 ± 6.5

< 0.001

 RA booster strain (%)

12.4 ± 7.2

9.0 ± 6.5

13.2 ± 7.1

< 0.001

  1. NYHA class: New York Heart Association class; BP: blood pressure; LBBB: left bundle branch block; NT-proBNP: N-terminal prohormone of brain natriuretic peptide; ACEI: angiotensin-converting enzyme inhibitor; ARB: Angiotensin Receptor Blocker; ARNI: angiotensin receptor neprilysin inhibitor; LAEDVI: left atrial end-diastolic volume index; LAEF: left atrial ejection fraction; other abbreviations as in Table 1