| ECG | Staff | Percentage |
| Normal | 38 | 43.2 |
| Repolarization disorders | 12 | 13.6 |
| Conduction disorders | 6 | 6.8 |
| Excitability disorders | 2 | 2.3 |
| Signs of necrosis | 2 | 2.3 |
| LVH | 43 | 48.9 |
| LVH + Right atrial hypertrophy (RAH) | 1 | 1.1 |