Table 2.
Changes in ECG parameters over time (mean follow up 17 (5) months)
| All patients (n=112) | Survivors (n=67) | Non-survivors (n=45) | |||||||
| Visit 1 | Visit 2 | p Value | Visit 1 | Visit 2 | p Value | Visit 1 | Visit 2 | p Value | |
| HR (beats/min) | 77 (16) | 79 (17) | 0.05 | 75 (15) | 77 (16) | 0.04 | 79 (18) | 81 (18) | 0.56 |
| PR interval ( ms) | 181 (36) | 182 (35) | 0.8 | 178 (26) | 174 (27) | 0.59 | 190 (50) | 200 (41) | 0.43 |
| QRS duration (ms) | 115 (26) | 121 (32) | 0.0007 | 106 (22) | 105 (17) | 0.97 | 133 (25) | 150 (32) | <0.0001 |
| QT interval (ms) | 392 (52) | 383 (45) | 0.1 | 393 (46) | 381 (43) | 0.04 | 395 (63) | 391 (47) | 0.86 |
| QTc interval (ms) | 442 (52) | 439 (49) | 0.9 | 438 (47) | 432 (52) | 0.62 | 453 (58) | 454 (42) | 0.68 |
| RR interval (ms) | 815 (185) | 792 (170) | 0.1 | 847 (196) | 809 (145) | 0.01 | 749 (145) | 762 (210) | 0.61 |