TABLE 3.
Lead location of maximal ECG parameter (%)
| Outcome | Cohort | n | I | II | III | aVR | aVL | aVF | V1 | V2 | V3 | V4 | V5 | V6 | p‐value a |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rest/supine | |||||||||||||||
| Tp‐e | Derivation/validation | n = 41 | 0.0% | 0.0% | 2.4% | 0.0% | 7.3% | 2.4% | 2.4% | 12.2% | 58.5% | 14.6% | 0.0% | 0.0% | <.0001 |
| Smoker/vaper | n = 47 | 2.1% | 2.1% | 4.3% | 2.1% | 6.4% | 0.0% | 4.3% | 21.3% | 40.4% | 10.0% | 0.0% | 0.0% | <.0001 | |
| Tp‐e/QT | Derivation/validation | n = 41 | 0.0% | 0.0% | 2.4% | 0.0% | 7.3% | 0.0% | 2.4% | 14.6% | 61.0% | 12.2% | 0.0% | 0.0% | <.0001 |
| Smoker/vaper | n = 47 | 0.0% | 0.0% | 2.1% | 2.1% | 6.4% | 2.1% | 2.1% | 23.4% | 48.9% | 10.6% | 2.15 | 0.0% | <.0001 | |
| Tp‐e/QTc | Derivation/validation | n = 41 | 0.0% | 0.0% | 2.4% | 0.0% | 7.3% | 0.0% | 2.4% | 14.6% | 61.0% | 12.2% | 0.0% | 0.0% | <.0001 |
| Smoker/vaper | n = 47 | 0.0% | 0.0% | 2.1% | 4.3% | 6.4% | 2.1% | 2.1% | 23.4% | 44.7% | 12.8% | 2.1% | 0.0% | <.0001 | |
| Standing | |||||||||||||||
| Tp‐e | Derivation/validation | n = 41 | 2.6% | 0.0% | 2.6% | 0.0% | 5.1% | 0.0% | 5.1% | 7.7% | 33.3% | 28.2% | 12.8% | 2.6% | .0000 |
| Smoker/vaper | n = 47 | 2.2% | 8.7% | 2.2% | 4.3% | 6.5% | 2.2% | 0.0% | 13.3% | 15.2% | 26.1% | 13.0% | 8.7% | .0018 | |
| Tp‐e/QT | Derivation/validation | n = 41 | 0.0% | 0.0% | 2.6% | 0.0% | 2.6% | 0.0% | 5.15 | 10.3% | 35.9% | 28.2% | 12.8% | 2.6% | .0000 |
| Smoker/vaper | n = 47 | 0.0% | 8.7% | 2.2% | 0.0% | 4.3% | 2.2% | 0.0% | 13.0% | 13.0% | 26.1% | 17.4% | 13.0% | <.0002 | |
| Tp‐e/QTc | Derivation/validation | n = 41 | 0.0% | 0.0% | 2.6% | 0.0% | 2.6% | 0.0% | 5.1% | 10.3% | 38.5% | 28.2% | 10.3% | 2.6% | .0000 |
| Smoker/vaper | n = 47 | 0.0% | 8.7% | 2.2% | 0.0% | 4.3% | 2.2% | 0.0% | 13.0% | 13.0% | 26.1% | 17.4% | 13.0% | <.0002 | |
a
p‐value indicates distribution compared to uniform.