Characteristics
Total (N = 211)
QRS duration > 160 ms (N = 82) QRS duration < 160 ms (N = 129)
p-value
Male sex 124 (58.8) 58 (70.7) 66 (51.2) 0.006
Age (years) 66 ± 12 67 ± 10 66 ± 13 0.287
Baseline ECG (ms) 85.0 ± 7.5 88.2 ± 7.5 83.0 ± 6.8 < 0.01
Atrial fibrillation 181 (85.8) 75 (91.5) 106 (82.2) 0.007
Hypertension 108 (51.2) 52 (63.4) 56 (43.4) 0.005
Heart Failure 27 (12.8) 15 (18.3) 12 (9.3) 0.089
Ischemic cardiomyopathy 11 (5.2) 6 (7.3) 5 (3.9) 0.344
LVEF (%) 61.7 ± 10.6 59.9 ±12.2 62.9 ± 9.3 0.055
LVEDV (ml) 106.8 ± 35.0 121.7 ± 39.8 97.4 ± 27.9 < 0.01
LVESV (ml) 43.0 ± 26.2 51.9 ± 34.1 37.3 ± 17.4 0.01
IVST (mm) 10.1 ± 2.7 10.6 ± 2.2 9.8 ± 3.0 0.046
PWT (mm) 10.1 ± 6.8 10.0 ± 1.6 10.2 ± 8.6 0.782
LAD (mm) 38.3 ± 7.3 42.1 ± 6.1 36.7 ± 7.2 < 0.01
E/e’ 13.2 ± 6.5 15.9 ± 7.6 11.5 ± 4.9 < 0.01
β blocker use 73 (34.6) 37 (45.1) 36 (27.9) 0.012