Table 1

Baseline patient characteristics

Baseline variablesAll (N = 156)No event (N = 131)Event (N = 25)P
LVAS (0–1)0.53 (0.31)0.51 (0.33)0.65 (0.23)>0.001 *
Age (years)58.0 (19.3)58.9 (19.3)52.8 (14.5)0.18
Male sex128 (82.1%)107 (81.7%)21 (84.0%)0.99
Body surface area (m2)2.0 (0.3)2.0 (0.3)2.0 (0.3)0.88
Heart rate (b.p.m.)71.0 (21.3)71.0 (22.0)70.0 (18.0)0.28
Systolic blood pressure (mmHg)123.0 (27.2)124.0 (27.5)120.0 (20.0)0.63
Diastolic blood pressure (mmHg)72.5 (18.2)73.0 (17.5)72.0 (19.0)0.85
Moderate alcohol excess25 (16.0%)18 (13.7%)7 (28.0%)0.14
Non-smokera77 (49.4%)67 (51.1%)10 (40.0%)0.40
Smokera15 (10.1%)11 (8.8%)4 (17.4%)
Ex-smokera56 (37.8%)47 (37.6%)9 (39.1%)
Comorbidity
 History of atrial fibrillationa43 (32.3%)38 (33.9%)5 (23.8%)0.45
 Mitral regurgitationa88 (57.5%)75 (58.6%)13 (52.0%)0.66
 Diabetes22 (14.1%)18 (13.7%)4 (16.0%)0.99
 Left bundle branch block37 (23.7%)31 (23.7%)6 (24.0%)0.83
NYHA functional class
 I/II129 (82.7%)111 (84.7%)18 (72.0%)0.21
 III/IV27 (17.3%)20 (15.3%)7 (28.0%)
Medications
 Beta-blocker128 (82.1%)105 (80.2%)23 (92.0%)0.26
 Ace inhibitor/angiotensin receptor blocker137 (87.8%)114 (87.0%)23 (92.0%)0.72
 Aldosterone antagonist72 (46.2%)63 (48.1%)9 (36.0%)0.37
 Loop diuretic86 (55.1%)73 (55.7%)13 (52.0%)0.90
CMR measurements
 LV ejection fraction (%)38.0 (18.2)37.0 (18.0)38.0 (20.0)0.54
 LV end-diastolic volume (mL)255.2 (103.6)256.6 (103.5)242.8 (97.7)0.9
 LV end-diastolic volume index (mL/m2)125.0 (53.2)125.0 (54.5)126.0 (50.0)0.87
 LV mass index (g/m2)96.0 (37.2)94.0 (38.0)101.0 (31.0)0.11
 RV ejection fraction (%)54.5 (18.2)53.0 (19.5)57.0 (10.0)0.42
 LGE volume (cm3)7.0 (6.6)6.5 (6.8)8.5 (5.1)0.26
LV geometry metrics
 Sphericity0.63 (0.24)0.63 (0.24)0.67 (0.30)0.38
 Length (mm)88.5 (17.1)88.3 (17.4)89.4 (15.2)0.63
 Mean wall thickness (mm)7.4 (1.7)7.3 (1.8)7.6 (1.4)0.51
Baseline variablesAll (N = 156)No event (N = 131)Event (N = 25)P
LVAS (0–1)0.53 (0.31)0.51 (0.33)0.65 (0.23)>0.001 *
Age (years)58.0 (19.3)58.9 (19.3)52.8 (14.5)0.18
Male sex128 (82.1%)107 (81.7%)21 (84.0%)0.99
Body surface area (m2)2.0 (0.3)2.0 (0.3)2.0 (0.3)0.88
Heart rate (b.p.m.)71.0 (21.3)71.0 (22.0)70.0 (18.0)0.28
Systolic blood pressure (mmHg)123.0 (27.2)124.0 (27.5)120.0 (20.0)0.63
Diastolic blood pressure (mmHg)72.5 (18.2)73.0 (17.5)72.0 (19.0)0.85
Moderate alcohol excess25 (16.0%)18 (13.7%)7 (28.0%)0.14
Non-smokera77 (49.4%)67 (51.1%)10 (40.0%)0.40
Smokera15 (10.1%)11 (8.8%)4 (17.4%)
Ex-smokera56 (37.8%)47 (37.6%)9 (39.1%)
Comorbidity
 History of atrial fibrillationa43 (32.3%)38 (33.9%)5 (23.8%)0.45
 Mitral regurgitationa88 (57.5%)75 (58.6%)13 (52.0%)0.66
 Diabetes22 (14.1%)18 (13.7%)4 (16.0%)0.99
 Left bundle branch block37 (23.7%)31 (23.7%)6 (24.0%)0.83
NYHA functional class
 I/II129 (82.7%)111 (84.7%)18 (72.0%)0.21
 III/IV27 (17.3%)20 (15.3%)7 (28.0%)
Medications
 Beta-blocker128 (82.1%)105 (80.2%)23 (92.0%)0.26
 Ace inhibitor/angiotensin receptor blocker137 (87.8%)114 (87.0%)23 (92.0%)0.72
 Aldosterone antagonist72 (46.2%)63 (48.1%)9 (36.0%)0.37
 Loop diuretic86 (55.1%)73 (55.7%)13 (52.0%)0.90
CMR measurements
 LV ejection fraction (%)38.0 (18.2)37.0 (18.0)38.0 (20.0)0.54
 LV end-diastolic volume (mL)255.2 (103.6)256.6 (103.5)242.8 (97.7)0.9
 LV end-diastolic volume index (mL/m2)125.0 (53.2)125.0 (54.5)126.0 (50.0)0.87
 LV mass index (g/m2)96.0 (37.2)94.0 (38.0)101.0 (31.0)0.11
 RV ejection fraction (%)54.5 (18.2)53.0 (19.5)57.0 (10.0)0.42
 LGE volume (cm3)7.0 (6.6)6.5 (6.8)8.5 (5.1)0.26
LV geometry metrics
 Sphericity0.63 (0.24)0.63 (0.24)0.67 (0.30)0.38
 Length (mm)88.5 (17.1)88.3 (17.4)89.4 (15.2)0.63
 Mean wall thickness (mm)7.4 (1.7)7.3 (1.8)7.6 (1.4)0.51

Numerical data are median (IQR), compared with Mann–Whitney tests. Categorical data are frequency (%), compared with χ2 contingency tests.

LVAS, left ventricular arrhythmic shape score.

a

Presence of missing data: smoking status 8 (5.1%), history of atrial fibrillation 23 (14.7%), and mitral regurgitation 3 (2%), compared with available data.

*

P < 0.05.

Table 1

Baseline patient characteristics

Baseline variablesAll (N = 156)No event (N = 131)Event (N = 25)P
LVAS (0–1)0.53 (0.31)0.51 (0.33)0.65 (0.23)>0.001 *
Age (years)58.0 (19.3)58.9 (19.3)52.8 (14.5)0.18
Male sex128 (82.1%)107 (81.7%)21 (84.0%)0.99
Body surface area (m2)2.0 (0.3)2.0 (0.3)2.0 (0.3)0.88
Heart rate (b.p.m.)71.0 (21.3)71.0 (22.0)70.0 (18.0)0.28
Systolic blood pressure (mmHg)123.0 (27.2)124.0 (27.5)120.0 (20.0)0.63
Diastolic blood pressure (mmHg)72.5 (18.2)73.0 (17.5)72.0 (19.0)0.85
Moderate alcohol excess25 (16.0%)18 (13.7%)7 (28.0%)0.14
Non-smokera77 (49.4%)67 (51.1%)10 (40.0%)0.40
Smokera15 (10.1%)11 (8.8%)4 (17.4%)
Ex-smokera56 (37.8%)47 (37.6%)9 (39.1%)
Comorbidity
 History of atrial fibrillationa43 (32.3%)38 (33.9%)5 (23.8%)0.45
 Mitral regurgitationa88 (57.5%)75 (58.6%)13 (52.0%)0.66
 Diabetes22 (14.1%)18 (13.7%)4 (16.0%)0.99
 Left bundle branch block37 (23.7%)31 (23.7%)6 (24.0%)0.83
NYHA functional class
 I/II129 (82.7%)111 (84.7%)18 (72.0%)0.21
 III/IV27 (17.3%)20 (15.3%)7 (28.0%)
Medications
 Beta-blocker128 (82.1%)105 (80.2%)23 (92.0%)0.26
 Ace inhibitor/angiotensin receptor blocker137 (87.8%)114 (87.0%)23 (92.0%)0.72
 Aldosterone antagonist72 (46.2%)63 (48.1%)9 (36.0%)0.37
 Loop diuretic86 (55.1%)73 (55.7%)13 (52.0%)0.90
CMR measurements
 LV ejection fraction (%)38.0 (18.2)37.0 (18.0)38.0 (20.0)0.54
 LV end-diastolic volume (mL)255.2 (103.6)256.6 (103.5)242.8 (97.7)0.9
 LV end-diastolic volume index (mL/m2)125.0 (53.2)125.0 (54.5)126.0 (50.0)0.87
 LV mass index (g/m2)96.0 (37.2)94.0 (38.0)101.0 (31.0)0.11
 RV ejection fraction (%)54.5 (18.2)53.0 (19.5)57.0 (10.0)0.42
 LGE volume (cm3)7.0 (6.6)6.5 (6.8)8.5 (5.1)0.26
LV geometry metrics
 Sphericity0.63 (0.24)0.63 (0.24)0.67 (0.30)0.38
 Length (mm)88.5 (17.1)88.3 (17.4)89.4 (15.2)0.63
 Mean wall thickness (mm)7.4 (1.7)7.3 (1.8)7.6 (1.4)0.51
Baseline variablesAll (N = 156)No event (N = 131)Event (N = 25)P
LVAS (0–1)0.53 (0.31)0.51 (0.33)0.65 (0.23)>0.001 *
Age (years)58.0 (19.3)58.9 (19.3)52.8 (14.5)0.18
Male sex128 (82.1%)107 (81.7%)21 (84.0%)0.99
Body surface area (m2)2.0 (0.3)2.0 (0.3)2.0 (0.3)0.88
Heart rate (b.p.m.)71.0 (21.3)71.0 (22.0)70.0 (18.0)0.28
Systolic blood pressure (mmHg)123.0 (27.2)124.0 (27.5)120.0 (20.0)0.63
Diastolic blood pressure (mmHg)72.5 (18.2)73.0 (17.5)72.0 (19.0)0.85
Moderate alcohol excess25 (16.0%)18 (13.7%)7 (28.0%)0.14
Non-smokera77 (49.4%)67 (51.1%)10 (40.0%)0.40
Smokera15 (10.1%)11 (8.8%)4 (17.4%)
Ex-smokera56 (37.8%)47 (37.6%)9 (39.1%)
Comorbidity
 History of atrial fibrillationa43 (32.3%)38 (33.9%)5 (23.8%)0.45
 Mitral regurgitationa88 (57.5%)75 (58.6%)13 (52.0%)0.66
 Diabetes22 (14.1%)18 (13.7%)4 (16.0%)0.99
 Left bundle branch block37 (23.7%)31 (23.7%)6 (24.0%)0.83
NYHA functional class
 I/II129 (82.7%)111 (84.7%)18 (72.0%)0.21
 III/IV27 (17.3%)20 (15.3%)7 (28.0%)
Medications
 Beta-blocker128 (82.1%)105 (80.2%)23 (92.0%)0.26
 Ace inhibitor/angiotensin receptor blocker137 (87.8%)114 (87.0%)23 (92.0%)0.72
 Aldosterone antagonist72 (46.2%)63 (48.1%)9 (36.0%)0.37
 Loop diuretic86 (55.1%)73 (55.7%)13 (52.0%)0.90
CMR measurements
 LV ejection fraction (%)38.0 (18.2)37.0 (18.0)38.0 (20.0)0.54
 LV end-diastolic volume (mL)255.2 (103.6)256.6 (103.5)242.8 (97.7)0.9
 LV end-diastolic volume index (mL/m2)125.0 (53.2)125.0 (54.5)126.0 (50.0)0.87
 LV mass index (g/m2)96.0 (37.2)94.0 (38.0)101.0 (31.0)0.11
 RV ejection fraction (%)54.5 (18.2)53.0 (19.5)57.0 (10.0)0.42
 LGE volume (cm3)7.0 (6.6)6.5 (6.8)8.5 (5.1)0.26
LV geometry metrics
 Sphericity0.63 (0.24)0.63 (0.24)0.67 (0.30)0.38
 Length (mm)88.5 (17.1)88.3 (17.4)89.4 (15.2)0.63
 Mean wall thickness (mm)7.4 (1.7)7.3 (1.8)7.6 (1.4)0.51

Numerical data are median (IQR), compared with Mann–Whitney tests. Categorical data are frequency (%), compared with χ2 contingency tests.

LVAS, left ventricular arrhythmic shape score.

a

Presence of missing data: smoking status 8 (5.1%), history of atrial fibrillation 23 (14.7%), and mitral regurgitation 3 (2%), compared with available data.

*

P < 0.05.

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