Table 1 Baseline ECG Abnormalities Observed in the NHS Subjects. Frequency of general ECG readings (Normal/Abnormal/Borderline) and ECG abnormalities observed. Borderline ECGs grouped together with abnormal ECGs
Number | % (N= 106) | ||
Normal | 44 | 41.5% | |
Abnormal | 58 | 54.7% | |
Borderline | 4 | 3.8% | |
Number | % of all Abnormal ECGs (N= 62) | % of All ECGs (N= 106) | |
Conduction Abnormality | 48 | 45.3% | |
Nonspecific Intraventricular Conduction Delay | 40 | 64.5% | 37.7% |
Right Axis Deviation | 10 | 16.1% | 9.4% |
Nonspecific ST and T Wave Abnormality | 7 | 11.3% | 6.6% |
Right Bundle Branch Block | 5 | 8.1% | 4.7% |
Sinus Arrhythmia | 5 | 8.1% | 4.7% |
Incomplete Right Bundle Branch Block | 2 | 3.2% | 1.9% |
Left Axis Deviation | 2 | 3.2% | 1.9% |
Early Repolarization | 2 | 3.2% | 1.9% |
Long QT Interval | 1 | 1.6% | 0.9% |
Left Ventricular Hypertrophy | 1 | 1.6% | 0.9% |
Left Ventricular Hypertrophy with Repolarization Abnormality | 1 | 1.6% | 0.9% |
Ventricular Premature Complex | 1 | 1.6% | 0.9% |
First Degree AV Block | 1 | 1.6% | 0.9% |