Table 2

Electrocardiogram and echocardiography at baseline

Prior to BENCHMARKBENCHMARK
NMean ± SD or n (%)NMean ± SD or n (%)P-value
Electrocardiogram (ECG)
 Rhythm8731448.824
  Sinus rhythm643 (73.7)1071 (74.0)
  Atrial fibrillation156 (17.9)268 (18.5)
  Pacemaker rhythm63 (7.2)95 (6.6)
  Other11 (1.3)14 (1.0)
 AV block second or third degree86412 (1.4)144515 (1.0).448
 Left bundle branch block873110 (12.6)1450141 (9.7).031
 Right bundle branch block87397 (11.1)1450171 (11.8).618
Echocardiography
 Left ventricular ejection fraction (LVEF) < 50%862157 (18.2)1462245 (16.8).370
 Aortic regurgitation, mod/severe851165 (19.4)1442274 (19.0).820
 Aorto-ventricular mean pressure gradient82745.5 ± 13.1
44.0 (39.0; 52.0)
138246.1 ± 13.8
45.0 (39.0; 53.0)
.658
 Aorto-ventricular peak pressure gradient68371.7 ± 18.6
71.0 (62.0; 81.0)
106173.5 ± 20.6
72.0 (62.0; 84.0)
.244
Vmax6444.2 ± 0.8
4.2 (4.0; 4.6)
10914.2 ± 0.8
4.2 (3.9; 4.6)
.987
 Aortic valve area (cm2)7140.76 ± 0.32
0.73 (0.60; 0.90)
11810.77 ± 0.24
0.75 (0.62; 0.90)
.188
 Aortic valve area indexed (cm2/m2)7110.41 ± 0.17
0.39 (0.32; 0.46)
11830.41 ± 0.14
0.40 (0.33; 0.47)
.276
Prior to BENCHMARKBENCHMARK
NMean ± SD or n (%)NMean ± SD or n (%)P-value
Electrocardiogram (ECG)
 Rhythm8731448.824
  Sinus rhythm643 (73.7)1071 (74.0)
  Atrial fibrillation156 (17.9)268 (18.5)
  Pacemaker rhythm63 (7.2)95 (6.6)
  Other11 (1.3)14 (1.0)
 AV block second or third degree86412 (1.4)144515 (1.0).448
 Left bundle branch block873110 (12.6)1450141 (9.7).031
 Right bundle branch block87397 (11.1)1450171 (11.8).618
Echocardiography
 Left ventricular ejection fraction (LVEF) < 50%862157 (18.2)1462245 (16.8).370
 Aortic regurgitation, mod/severe851165 (19.4)1442274 (19.0).820
 Aorto-ventricular mean pressure gradient82745.5 ± 13.1
44.0 (39.0; 52.0)
138246.1 ± 13.8
45.0 (39.0; 53.0)
.658
 Aorto-ventricular peak pressure gradient68371.7 ± 18.6
71.0 (62.0; 81.0)
106173.5 ± 20.6
72.0 (62.0; 84.0)
.244
Vmax6444.2 ± 0.8
4.2 (4.0; 4.6)
10914.2 ± 0.8
4.2 (3.9; 4.6)
.987
 Aortic valve area (cm2)7140.76 ± 0.32
0.73 (0.60; 0.90)
11810.77 ± 0.24
0.75 (0.62; 0.90)
.188
 Aortic valve area indexed (cm2/m2)7110.41 ± 0.17
0.39 (0.32; 0.46)
11830.41 ± 0.14
0.40 (0.33; 0.47)
.276

SD, standard deviation.

Table 2

Electrocardiogram and echocardiography at baseline

Prior to BENCHMARKBENCHMARK
NMean ± SD or n (%)NMean ± SD or n (%)P-value
Electrocardiogram (ECG)
 Rhythm8731448.824
  Sinus rhythm643 (73.7)1071 (74.0)
  Atrial fibrillation156 (17.9)268 (18.5)
  Pacemaker rhythm63 (7.2)95 (6.6)
  Other11 (1.3)14 (1.0)
 AV block second or third degree86412 (1.4)144515 (1.0).448
 Left bundle branch block873110 (12.6)1450141 (9.7).031
 Right bundle branch block87397 (11.1)1450171 (11.8).618
Echocardiography
 Left ventricular ejection fraction (LVEF) < 50%862157 (18.2)1462245 (16.8).370
 Aortic regurgitation, mod/severe851165 (19.4)1442274 (19.0).820
 Aorto-ventricular mean pressure gradient82745.5 ± 13.1
44.0 (39.0; 52.0)
138246.1 ± 13.8
45.0 (39.0; 53.0)
.658
 Aorto-ventricular peak pressure gradient68371.7 ± 18.6
71.0 (62.0; 81.0)
106173.5 ± 20.6
72.0 (62.0; 84.0)
.244
Vmax6444.2 ± 0.8
4.2 (4.0; 4.6)
10914.2 ± 0.8
4.2 (3.9; 4.6)
.987
 Aortic valve area (cm2)7140.76 ± 0.32
0.73 (0.60; 0.90)
11810.77 ± 0.24
0.75 (0.62; 0.90)
.188
 Aortic valve area indexed (cm2/m2)7110.41 ± 0.17
0.39 (0.32; 0.46)
11830.41 ± 0.14
0.40 (0.33; 0.47)
.276
Prior to BENCHMARKBENCHMARK
NMean ± SD or n (%)NMean ± SD or n (%)P-value
Electrocardiogram (ECG)
 Rhythm8731448.824
  Sinus rhythm643 (73.7)1071 (74.0)
  Atrial fibrillation156 (17.9)268 (18.5)
  Pacemaker rhythm63 (7.2)95 (6.6)
  Other11 (1.3)14 (1.0)
 AV block second or third degree86412 (1.4)144515 (1.0).448
 Left bundle branch block873110 (12.6)1450141 (9.7).031
 Right bundle branch block87397 (11.1)1450171 (11.8).618
Echocardiography
 Left ventricular ejection fraction (LVEF) < 50%862157 (18.2)1462245 (16.8).370
 Aortic regurgitation, mod/severe851165 (19.4)1442274 (19.0).820
 Aorto-ventricular mean pressure gradient82745.5 ± 13.1
44.0 (39.0; 52.0)
138246.1 ± 13.8
45.0 (39.0; 53.0)
.658
 Aorto-ventricular peak pressure gradient68371.7 ± 18.6
71.0 (62.0; 81.0)
106173.5 ± 20.6
72.0 (62.0; 84.0)
.244
Vmax6444.2 ± 0.8
4.2 (4.0; 4.6)
10914.2 ± 0.8
4.2 (3.9; 4.6)
.987
 Aortic valve area (cm2)7140.76 ± 0.32
0.73 (0.60; 0.90)
11810.77 ± 0.24
0.75 (0.62; 0.90)
.188
 Aortic valve area indexed (cm2/m2)7110.41 ± 0.17
0.39 (0.32; 0.46)
11830.41 ± 0.14
0.40 (0.33; 0.47)
.276

SD, standard deviation.

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