Variables | Patients without AF history, n = 110 | Patients with PxAF, n = 55 | P value |
---|---|---|---|
Mean age, yearsa | 67 ± 10 | 68 ± 10 | 0.686 |
Female, n (%) | 40 (36) | 19 (35) | 0.864 |
BMIa | 29 ± 5 | 29 ± 5 | 0.790 |
P-wave duration, msa | 137 ± 16 | 145 ± 17 | 0.003 |
Patients with P-wave duration > 120 ms, n (%) | 90 (82) | 47 (85) | 0.387 |
PR-interval, msa | 172 ± 28 | 178 ± 35 | 0.189 |
P-wave terminal force in lead V1, mm x msa | 24 ± 26 | 35 ± 33 | 0.020 |
QRS duration, msa | 100 ± 17 | 107 ± 21 | 0.021 |
Corrected QTc interval, msa | 430 ± 28 | 454 ± 34 | <0.001 |
P-wave morphology | Â | Â | 0.435 |
X(+)Y(+)Z(-), n (%) | 19 (19) | 8 (16) | Â |
X(+)Y(+)Z(-/+), n (%) | 60 (59) | 32 (64) | Â |
IAB or X(+)Y(+/-), n (%) | 2 (2) | 3 (6) | Â |
X(+)Y(+)Z(+), n (%) | 21 (21) | 7 (14) | Â |
Left atrium volume index, ml/m2 | 35 ± 12 | 45 ± 12 | <0.001 |
EF, %a | 58 ± 12 | 52 ± 15 | 0.027 |
Left ventricular end-systolic internal demension, mma | 33 ± 9 | 37 ± 10 | 0.033 |
Left ventricular end-diastolic internal demension, mma | 49 ± 7 | 52 ± 8 | 0.049 |
Right atrium pressure, mmHga | 6 ± 2 | 8 ± 5 | 0.007 |
Right ventricular systolic pressure, mmHga | 34 ± 10 | 36 ± 12 | 0.242 |
Diabetes, n (%) | 18 (16) | 12 (22) | 0.399 |
Hypertension, n (%) | 84 (76) | 41 (75) | 0.848 |
Vascular diseases, n (%) | 21 (19) | 20 (36) | 0.021 |
Cardiac failure, n (%) | 6 (6) | 16 (29) | <0.001 |
CHADS2 scorea | 3.2 ± 0.9 | 3.5 ± 1.0 | 0.034 |
CHA2DS2-VASc scorea | 4.9 ± 1.5 | 4.9 ± 1.5 | 0.028 |