Variables | Normal ECG (n = 253) | Abnormal ECG (n = 252) | Total (n = 505) | p-value |
---|---|---|---|---|
Age (years) | 50.7 ± 14.1 | 56.0 ± 12.6 | 53.3 ± 13.6 | < 0.001 |
Male sex | 85 (33.6) | 118 (46.8) | 203 (40.2) | 0.002 |
Systolic BP (mmHg) | 124.7 ± 15.6 | 136.2 ± 22.2 | 130.4 ± 20.0 | < 0.001 |
Diastolic BP (mmHg) | 79.5 ± 8.2 | 82.5 ± 9.4 | 81.0 ± 8.9 | < 0.001 |
Heart rate (bpm) | 77.9 ± 9.5 | 83.5 ± 16.9 | 80.7 ± 14.0 | < 0.001 |
BMI (kg/m2)a | 24.2 (21.8–26.7) | 24.1 (21.4–27.2) | 24.2 (21.6–26.9) | 0.788 |
Low-to-middle SES | 213 (84.2) | 201 (79.8) | 414 (82.0) | 0.196 |
Previous Diseases: | ||||
Cardiovascular diseaseb | 2 (0.8) | 8 (3.2) | 10 (2.0) | < 0.001 |
COPDb | 5 (2.0) | 2 (0.8) | 7 (1.4) | 0.055 |
Previous Medications: | ||||
Anti-hypertension | 61 (24.1) | 110 (43.7) | 171 (33.9) | < 0.001 |
Anti-diabetic | 14 (5.5) | 29 (11.5) | 43 (8.5) | 0.016 |
Anti-cholesterol | 9 (3.6) | 19 (7.5) | 28 (5.5) | 0.051 |
Anti-platelet | 1 (0.4) | 11 (4.4) | 12 (2.4) | 0.003 |
Anti-arrhythmiab | 0 (0.0) | 2 (0.8) | 2 (0.4) | 0.249 |