OR of selected variables
| Variables (range) | OR | 5% | 95% | P value |
| Age (60–65 years) | 2.08 | 1.32 | 3.23 | 0.006 |
| Age (65–70 years) | 3.19 | 2.15 | 4.73 | <0.001 |
| Age (70–75 years) | 2.58 | 1.72 | 3.86 | <0.001 |
| Age (75–80 years) | 3.26 | 2.25 | 4.75 | <0.001 |
| Age (80–85 years) | 5.26 | 3.74 | 7.46 | <0.001 |
| Age (85–90 years) | 5.79 | 4.03 | 8.37 | <0.001 |
| Age (90–95 years) | 7.26 | 4.68 | 11.2 | <0.001 |
| Age (95–100 years) | 9.19 | 3.90 | 19.5 | <0.001 |
| Age (>100 years) | 1.40 | 1.27 | 76.5 | 0.02 |
| aVF pdur (>200 ms) | 5.40 | 1.08 | 19.6 | 0.04 |
| V4 pdur (<95 ms) | 1.36 | 1.10 | 1.68 | 0.015 |
| V4 pdur (>150 ms) | 2.09 | 1.42 | 3.01 | 0.0011 |
| V5 pdur (<90 ms) | 1.33 | 1.09 | 1.63 | 0.016 |
| V3 tptpdur (>250 ms) | 1.59 | 1.27 | 1.98 | 0.006 |
| meanqtc (>450) | 1.57 | 1.28 | 1.91 | <0.001 |
| transpcwrot (−50,100) | 1.62 | 1.30 | 2.03 | <0.001 |
| transptermangle (<300) | 1.30 | 1.06 | 1.59 | 0.030 |
| transqrstermmag (>300) | 1.27 | 1.04 | 1.56 | 0.042 |
ms, milliseconds.