Table 3.
Survivors n = 134 | Nonsurvivors n = 16 | P value | |
---|---|---|---|
Prolonged P-R interval (PR ≥ 200 ms) |
17 (12.7%) | 2 (11.8%) | N/S |
QRS prolongation (QRS ≥ 120 ms) |
8 (6%) | 3 (17.6%) | N/S |
Prolonged Q-Tc interval (QTc ≥ 450 ms) |
58 (43.3%) | 10 (58.8%) | N/S |
Left bundle branch block | 0 | 1 (5.9%) | N/S |
Right bundle branch block | 15 (11.2%) | 3 (17.6%) | N/S |
Atrial fibrillation | 0 | 2 (11.8%) | 0.01 |
U wave | 19 (14.2%) | 1 (5.9%) | N/S |
Sinus tachycardia | 20 (14.9%) | 6 (35.3%) | N/S |
Premature atrial contraction | 1 (0.7%) | 0 | N/S |
Premature ventricular contraction | 1 (0.7%) | 0 | N/S |
ST depression | 1 (0.7%) | 0 | N/S |
Inversion of T wave | 9 (6.7%) | 0 | N/S |
N/S: statistically nonsignificant (P > 0.05).