Table 5.
Changes in clectrocardiographic findings during hospitalization in COVID-19 patients
| Variable |
Alive
(n=218) |
Dead
(n=110) |
Total
(n=328) |
P |
|---|---|---|---|---|
| Sinus tachycardia | ||||
| No | 193 (88.5) | 99 (90.0) | 292 (89.0) | 0.688 |
| Yes | 25 (11.5) | 11 (10.0) | 36 (11.5) | |
| Sinus bradycardia | ||||
| No | 200 (91.7) | 106 (96.4) | 306 (93.3) | 0.114 |
| Yes | 18 (8.3) | 4 (3.6) | 22 (6.7) | |
| Supraventricular arrhythmia* | ||||
| No | 213 (97.7) | 102 (92.7) | 315 (96.0) | 0.029 |
| Yes | 5 (2.3) | 8 (7.3) | 13 (4.0) | |
| Ventricular arrhythmia # | ||||
| No | 213 (97.7) | 106 (96.4) | 319 (97.3) | 0.483 |
| Yes | 5 (2.3) | 4 (3.6) | 11 (3.4) | |
| LBBB | ||||
| No | 215 (98.6) | 106 (96.4) | 321 (97.9) | 0.174 |
| Yes | 3 (1.4) | 4 (3.6) | 7 (2.1) | |
| Left anterior hemi-block | ||||
| No | 215 (98.6) | 106 (96.4) | 321 (97.9) | 0.174 |
| Yes | 3 (1.4) | 4 (3.6) | 7 (2.1) | |
| Bifascicular block | ||||
| No | 212 (97.2) | 105 (95.5) | 317 (96.6) | 0.394 |
| Yes | 6 (2.8) | 5 (4.5) | 11 (3.4) | |
| Prolong QT interval | ||||
| No | 197 (91.2) | 97 (90.7) | 294 (91.0) | 0.871 |
| Yes | 19 (8.8) | 10 (9.3) | 29 (9.0) | |
| Abnormal R wave progression | ||||
| No | 214 (98.2) | 106 (96.4) | 320 (97.6) | 0.449 |
| Yes | 4 (1.8) | 4 (3.6) | 8 (2.4) | |
| ST segment | ||||
| No | 214 (98.2) | 100 (90.9) | 314 (95.7) | 0.006 |
| Yes | 4 (1.8) | 10 (91) | 14 (4.3) | |
| Abnormal T wave | ||||
| No | 212 (97.2) | 103 (93.6) | 315 (96.0) | 0.137 |
| Yes | 6 (2.8) | 7 (6.4) | 13 (4.0) |
LBBB: Left bundle branch block.
*, Supraventricular arrhythmia includes atrial fibrillation, atrial flutter, premature atrial contraction, atrial tachycardia, and multifocal atrial tachycardia.
#, Ventricular arrhythmia includes premature ventricular contraction, and ventricular tachycardia