Electrocardiographic measures of repolarisation dispersion
| Repolarisation dispersion | Controls (n = 50) | VF group (n = 50) | p value |
|---|---|---|---|
| QTapexD | 44 (18) | 53 (18) | < 0.01 |
| QTendD | 49 (20) | 55 (25) | NS |
| JTapexD | 50 (16) | 56 (19) | 0.05 |
| JTendD | 50 (18) | 57 (22) | NS |
| TendD | 38 (15) | 46 (17) | < 0.05 |
| QTapexSD | 14 (6) | 17 (7) | < 0.01 |
| QTendSD | 16 (7) | 18 (9) | NS |
| JTapexSD | 16 (5) | 18 (7) | NS |
| JTendSD | 16 (6) | 18 (8) | NS |
| TendSD | 13 (5) | 16 (6) | < 0.05 |
Values are mean (SD) in ms.
D, maximum − minimum of the respective intervals; SD, standard deviation of the respective intervals.