Table 1

Baseline characteristic of the study population

Total study population n = 219Low-voltage areas
P-value
No (n = 164)Yes (n = 55)
Age (years)65 (57–72)62 (55–70)69 (64–75)<0.001
Females89 (41)57 (35)32 (58)0.002
Persistent AF130 (59)84 (51)46 (84)<0.001
Low-voltage areas55 (25)100%
BMI (kg/m2)30 (26–33)29 (26–33)30 (26–33)0.277
eGFR (mL/min/1.73 m2)78 (64–89)80 (68–93)69 (60–83)0.001
LAV (mL/BSA) (CMR)39 (30–50)37 (28–45)49 (36–56)<0.001
LA-EF (biplane) (%) (CMR)31 (21–55)39 (23–60)19 (15–28)<0.001
LA diameter (mm) (echo)44 (39–48)43 (38–48)45 (42–49)0.042
LV-EF (biplane) (%) (echo)56 (47–61)56 (47–61)55 (47–59)0.374
APPLE2 (1–3)2 (1–3)3 (2–4)<0.001
(m)APPLEa2 (1–3)2 (1–3)3 (3–4)<0.001
Total study population n = 219Low-voltage areas
P-value
No (n = 164)Yes (n = 55)
Age (years)65 (57–72)62 (55–70)69 (64–75)<0.001
Females89 (41)57 (35)32 (58)0.002
Persistent AF130 (59)84 (51)46 (84)<0.001
Low-voltage areas55 (25)100%
BMI (kg/m2)30 (26–33)29 (26–33)30 (26–33)0.277
eGFR (mL/min/1.73 m2)78 (64–89)80 (68–93)69 (60–83)0.001
LAV (mL/BSA) (CMR)39 (30–50)37 (28–45)49 (36–56)<0.001
LA-EF (biplane) (%) (CMR)31 (21–55)39 (23–60)19 (15–28)<0.001
LA diameter (mm) (echo)44 (39–48)43 (38–48)45 (42–49)0.042
LV-EF (biplane) (%) (echo)56 (47–61)56 (47–61)55 (47–59)0.374
APPLE2 (1–3)2 (1–3)3 (2–4)<0.001
(m)APPLEa2 (1–3)2 (1–3)3 (3–4)<0.001

Data are presented as median (IQR) or n (%).

AF, atrial fibrillation; BMI, body mass index; BSA, body surface area; CMR, cardiovascular magnetic resonance imaging; eGFR, estimated glomerular filtration rate; EF, emptying fraction; IQR, interquartile range; LAV, left atrial volume; LA, left atrial; LV, left ventricular.

a

Available in 189 patients.

Table 1

Baseline characteristic of the study population

Total study population n = 219Low-voltage areas
P-value
No (n = 164)Yes (n = 55)
Age (years)65 (57–72)62 (55–70)69 (64–75)<0.001
Females89 (41)57 (35)32 (58)0.002
Persistent AF130 (59)84 (51)46 (84)<0.001
Low-voltage areas55 (25)100%
BMI (kg/m2)30 (26–33)29 (26–33)30 (26–33)0.277
eGFR (mL/min/1.73 m2)78 (64–89)80 (68–93)69 (60–83)0.001
LAV (mL/BSA) (CMR)39 (30–50)37 (28–45)49 (36–56)<0.001
LA-EF (biplane) (%) (CMR)31 (21–55)39 (23–60)19 (15–28)<0.001
LA diameter (mm) (echo)44 (39–48)43 (38–48)45 (42–49)0.042
LV-EF (biplane) (%) (echo)56 (47–61)56 (47–61)55 (47–59)0.374
APPLE2 (1–3)2 (1–3)3 (2–4)<0.001
(m)APPLEa2 (1–3)2 (1–3)3 (3–4)<0.001
Total study population n = 219Low-voltage areas
P-value
No (n = 164)Yes (n = 55)
Age (years)65 (57–72)62 (55–70)69 (64–75)<0.001
Females89 (41)57 (35)32 (58)0.002
Persistent AF130 (59)84 (51)46 (84)<0.001
Low-voltage areas55 (25)100%
BMI (kg/m2)30 (26–33)29 (26–33)30 (26–33)0.277
eGFR (mL/min/1.73 m2)78 (64–89)80 (68–93)69 (60–83)0.001
LAV (mL/BSA) (CMR)39 (30–50)37 (28–45)49 (36–56)<0.001
LA-EF (biplane) (%) (CMR)31 (21–55)39 (23–60)19 (15–28)<0.001
LA diameter (mm) (echo)44 (39–48)43 (38–48)45 (42–49)0.042
LV-EF (biplane) (%) (echo)56 (47–61)56 (47–61)55 (47–59)0.374
APPLE2 (1–3)2 (1–3)3 (2–4)<0.001
(m)APPLEa2 (1–3)2 (1–3)3 (3–4)<0.001

Data are presented as median (IQR) or n (%).

AF, atrial fibrillation; BMI, body mass index; BSA, body surface area; CMR, cardiovascular magnetic resonance imaging; eGFR, estimated glomerular filtration rate; EF, emptying fraction; IQR, interquartile range; LAV, left atrial volume; LA, left atrial; LV, left ventricular.

a

Available in 189 patients.

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