Median QTc at rest and after one minute of recovery for the four formulae
| Formula | Rest | 1 Min | ΔQTc |
| Bazett | 400 | 380 | −20 |
| Hodges | 375 | 396 | +21 |
| Fridericia | 366 | 325 | −41 |
| Framingham | 369 | 333 | −36 |
Values in ms; ΔQT, difference in median QTc between rest and 1 min after exercise.