Table 2 Baseline characteristics

Demographics

 Females (%)

11 (28)

0 (0)

7 (32)

14 (40)

 Age (years ± SD)

63 ± 13

59 ± 11

56 ± 17

55 ± 11

 BMI (kg/m² ± SD)

27.0 ± 6.0

23.3 ± 2.5

29.7 ± 5.2

24.6 ± 4.7

 BSA (m² ± SD)

1.94 ± 0.27

1.89 ± 0.18

2.03 ± 0.18

1.89 ± 0.24

 Active smokers (%)

8 (20)

2 (25)

4 (18)

0 (0)

 BNP (pg/ml)

924 ± 2412^a

871 ± 1233^a

142 ± 174^a

n/a

NYHA class

 I (%)

11 (28)

2 (25)

8 (36)

n/a

 II (%)

11 (28)

5 (63)

9 (41)

n/a

 III (%)

17 (42)

1 (12)

4 (18)

n/a

 IV (%)

1 (2)

0 (0)

1 (5)

n/a

Aetiology of HF

 DCM (%)

19 (48)

2 (25)

2 (9)

n/a

 HCM (%)

3 (8)

0 (0)

4 (18)

n/a

 ICM (%)

10 (25)

1 (13)

4 (18)

n/a

 Inflammatory (%)

1 (2)

2 (25)

4 (18)

n/a

 Other (non-ICMP) (%)

7 (17)

3 (37)

8 (36)

n/a

CMR

 LVEDVi (ml/m² ± SD)

136.1 ± 49.7

117.6 ± 18.6

87.4 ± 21.2

76.6 ± 11.0

 LVESVi (ml/m² ± SD)

103.3 ± 47.4

69.8 ± 20.0

35.0 ± 11.3

29.3 ± 6.4

 LVMi (g/m² ± SD)

76.0 ± 24.1

83.6 ± 23.3

62.3 ± 24.5

57.2 ± 8.9

 LVCI (ml/min/m² ± SD)

2.5 ± 1.0

3.5 ± 1.1

3.9 ± 1.3

3.1 ± 0.7

 LVEF (% ± SD)

25 ± 8.7

43.3 ± 2.6

60.1 ± 8.1

61.6 ± 5.6

 RVEDVi (ml/m²)

86.5 ± 46.1^a

104.9 ± 11.2^a

85.8 ± 11.5^a

87.5 ± 15.5^a

 RVESVi (ml/m²)

63.9 ± 31.4^a

70.8 ± 33.3^a

49.8 ± 5.2^a

44.7 ± 12.6^a

 RVCI (ml/min/m² ± SD)

1.9 ± 1.0

2.1 ± 0.8

2.6 ± 1.0

2.8 ± 0.7

 RVEF (%)

26.5 ± 11.7^a

32.1 ± 10.1^a

42.3 ± 8.1^a

49.3 ± 8.4

 Native T1 (ms ± SD)

1290 ± 57^a

1300 ± 55

1256 ± 82

1188 ± 46

 ECV (% ± SD)

31.5 ± 6.3

32.6 ± 10.1

27.7 ± 5.0

24.3 ± 2.2

 Scar burden (% ± SD)

6.5 ± 6.5

5.9 ± 14.6^a

6.7 ± 6.6

0.0 ± 0.0

 RV/LV T2 ratio (± SD)

0.50 ± 0.11

0.50 ± 0.10

0.54 ± 0.14

0.74 ± 0.05