Variable |
Risk ratio (95% confidence interval) | p Value |
Univariate analysis | ||
Age at Mustard operation, years | – | 0.15 |
Male | – | 0.76 |
“Complex” Mustard | – | 0.90 |
NYHA ⩾ III | – | 0.53 |
Superior QRS axis | – | 0.64 |
QRS duration max (ms) | – | 0.06 |
QT dispersion (ms) | 1.02 (1.00 to 1.04) | 0.002 |
U wave | 4.27 (1.05 to 17.30) | 0.04 |
Junctional rhythm | – | 0.57 |
RV dysfunction ⩾ III and TR ⩾ III | 3.68 (1.05 to 12.88) | 0.04 |
LV hypertension (⩾ 60 mm Hg) | – | 0.30 |
RVEDD on MRI (mm) | – | 0.06 |
LVEDD on MRI (mm) | 0.90 (0.82 to 0.99) | 0.04 |
RVEDD/LVEDD on MRI | 2.25 (1.16 to 4.34) | 0.01 |
RVEF, rest RNA (%) | – | 0.12 |
RVEF, exercise RNA (%) | 0.94 (0.90 to 0.99) | 0.03 |
Exercise time (min) | – | 0.27 |
Anaerobic threshold (ml/kg/min) | – | 0.36 |
V˙o 2max (ml/kg/min) | – | 0.21 |
Work load (kpm) | 0.99 (0.98 to 1.00) | 0.04 |
Multivariate analysis | ||
QT dispersion (ms) | 1.04 (1.00 to 1.08) | 0.02 |
LV, left ventricular; LVEDD, left ventricular end diastolic diameter; MRI, magnetic resonance imaging; NYHA, New York Heart Association functional class; RNA, radionuclide angiography; RV, right ventricular; RVEDD, right ventricular end diastolic diameter; RVEF, right ventricular ejection fraction.