Table 2 ECG and UCG characteristics of patient cohort
FM group (n = 20) | NFM group (n = 83) | P value | |
|---|---|---|---|
ECG parameters | |||
PR interval (ms) | 189 (156–210) | 154 (136–174) | 0.0006 |
QRS complex duration (ms) | 104 (89–133) | 90 (82–100) | 0.005 |
Wide QRS complex | 14 (70%) | 7 (8.9%) | < 0.0001 |
QTc interval (ms) | 432 (376–464) | 401 (387–421) | 0.14 |
QRS-T angle (degree) | 51 (35–97) | 34 (22–75) | 0.08 |
Pathological Q wave | 15 (75%) | 9 (11.5%) | < 0.0001 |
ST segment depression | 8 (40%) | 8 (9.6%) | 0.001 |
ST segment elevation | 12 (60%) | 16 (19.3%) | 0.003 |
T wave inverse | 16 (80%) | 19 (22.9%) | < 0.0001 |
Ventricular arrhythmia | 10 (50%) | 5 (6.3%) | < 0.0001 |
Sinus arrest | 1 (5%) | 4 (5.1%) | 1.00 |
First degree AVB | 10 (50%) | 5 (6.3%) | < 0.0001 |
Second degree AVB | 1 (5%) | 2 (2.5%) | 0.50 |
High degree AVB | 2 (10%) | 2 (2.5%) | 0.18 |
Third degree AVB | 8 (40%) | 6 (7.6%) | 0.001 |
UCG parameters | |||
IVST (cm) | 0.9 (0.8–1.0) | 0.8 (0.8–0.9) | 0.07 |
LVPWT (cm) | 0.9 (0.8–1.0) | 0.8 (0.8–0.9) | 0.07 |
LAD (cm) | 3.6 ± 0.51 | 3.5 ± 0.40 | 0.50 |
AoD (cm) | 2.6 ± 0.27 | 2.8 ± 0.29 | 0.18 |
LVEDD (cm) | 5.0 ± 0.51 | 5.0 ± 0.44 | 0.90 |
LVESD (cm) | 4.1 ± 0.67 | 3.6 ± 0.59 | 0.001 |
LVEF (%) | 37 (29–46) | 57 (50–60) | < 0.0001 |
PAP (mmHg) | 30 (23–33) | 25 (21–28) | 0.04 |