Table 2 Electrocardiography, Echocardiography, and Exercise treadmill test variables.

CHA₂DS₂-VASc score

2.1 ± 1.5

3.1 ± 1.3

2.0 ± 1.5

<0.0001

  Low (0–1)

407 (37.7)

8 (6.1)

399 (42.0)

<0.0001

  Intermediate (2–3)

492 (45.6)

81 (61.8)

411 (43.3)

<0.0001

  High (≥4)

181 (16.8)

42 (32.1)

139 (14.6)

<0.0001

Electrocardiography

  QRS duration (ms)

99 ± 19

97 ± 18

100 ± 19

0.147

  QTc interval (ms)

435 ± 32

443 ± 30

434 ± 32

0.001

Echocardiography

  LVEF (%)

64.3 ± 6.2

64.5 ± 6.1

64.3 ± 6.2

0.687

  E/E’

10.5 ± 4.1

12.3 ± 4.4

10.3 ± 4.0

<0.0001

  LAVI (ml/m²)

39.5 ± 19.4

50.1 ± 28.7

38.0 ± 17.2

<0.0001

Exercise treadmill test

  Resting SBP (mmHg)

122 ± 14

124 ± 14

122 ± 14

0.079

  Resting DBP (mmHg)

76 ± 11

73 ± 12

76 ± 11

0.003

  Resting HR (bpm)

73 ± 15

74 ± 16

73 ± 14

0.206

  Peak exercise HR (bpm)

162 ± 35

137 ± 33

166 ± 34

<0.0001

  Achieved ≥85% of MAPHR

875 (81.0)

76 (58.0)

799 (84.2)

<0.0001

  Peak exercise capacity (MET)

10.5 ± 2.7

5.7 ± 1.3

11.2 ± 2.0

<0.0001

  Inducible ST depression

134 (12.4)

20 (15.3)

114 (12.0)

0.290