Table 1 Basic information and CMR characteristics between patients with and without events

Demographics

Age (y)

51 ± 14

54 ± 15

.196

Male

217 (74)

36 (84)

.161

BMI (kg/m²)

24.9 ± 1.6

25.5 ± 1.1

.001

BSA (m²)

1.8 ± 0.2

1.9 ± 0.1

.107

SBP (mm Hg)

120 ± 9

117 ± 19

.374

DBP (mm Hg)

78 ± 6

77 ± 11

.688

HR (beats/min)

73 ± 9

79 ± 14

.006

Hypertension

57 (19)

12 (28)

.196

Diabetes

27 (9)

4 (9)

.980

CAD

22 (8)

3 (7)

.906

Unexplained syncope

24 (7)

6 (11)

.638

SCD family history

28 (10)

7 (12)

.607

NSVT

19 (7)

5 (9)

.595

NYHA functional class

 I

210 (71)

0 (0)

 II

31 (11)

8 (19)

 III

30 (14)

4 (9)

 IV

13 (4)

31 (72)

LA diameter (mm)

41.2 ± 7.8

44.8 ± 9.6

.006

Maximal LVWT (mm)

19.5 ± 12.7

18.3 ± 4.4

.522

LVOT gradient pressure (mm Hg)

17.5 ± 12.2

17.1 ± 12.6

.816

CMR parameters

 LVEF (%)

66.3 ± 12.1

43.0 ± 11.8

 < .001

 LVEDVi (ml/m²)

63.1 ± 22.6

89.3 ± 40.5

 < .001

 LVESVi (ml/m²)

34.6 ± 12.6

47.6 ± 21.2

 < .001

 SV (ml)

77.7 ± 49.4

56.5 ± 29.8

.007

 LV mass index (g/ m²)

90.7 ± 41.1

102.8 ± 38.4

.071

 LGE (%)

5.0 ± 5.3

13.9 ± 10.0

 < .001

 LV wall entropy

5.59 ± 0.35

6.20 ± 0.45

 < .001