Variables | HR* (/min) | PR (ms**) | QTc*** (ms) | QRS (ms) | |
Sex | F (22) | 66.27 | 179.55 | 426.58 | 81.36 |
| M (205) | 60.05 | 199.05 | 426.17 | 82.59 |
| P | 0.005 | 0.153 | 0.969 | 0.631 |
Age group (years) | <20 (68) | 62.96 | 186.18 | 428.10 | 82.06 |
| 20 - 29 (144) | 59.87 | 200.88 | 423.64 | 82.14 |
| ≥30 (15) | 57.80 | 211.33 | 438.18 | 87.33 |
| P | 0.056 | 0.168 | 0.446 | 0.225 |
All sample |
| 60.66 | 197.16 | 426.21 | 82.47 |