Table 2.
Summary statistics and univariable logistic regression for the association between CMR and echocardiographic parameters and successful biventricular repair (median (IQR)).
| Total | Biventricular Outcome | Non-biventricular Outcome | Univariable Logistic Regression | ||||
|---|---|---|---|---|---|---|---|
| Variable | N=28 | N=11 | N=17 | OR | 95% CI | p | AUC |
| CMR Variables | |||||||
| Ventricular volume | |||||||
| EDVI | 0.18 (0.09-0.24) | 0.06 (0.05-0.18) | 0.22 (0.14-0.28) | 0.21* | 0.06, 0.70* | <0.01 | 0.82 |
| Ventricular inflow | |||||||
| Standardized LV inflow volume: total inflow volume | 0.11 (0.09-0.15) | 0.10 (0.03-0.16) | 0.11 (0.10-0.14) | 0.48* | 0.12, 1.95* | 0.28 | 0.60 |
| Atrioventricular valve area | |||||||
| Standardized AVVI | 0.13 (0.10-0.16) | 0.13 (0.04-0.15) | 0.13 (0.12-0.19) | 0.14* | 0.02, 0.90* | 0.01 | 0.66 |
| VSD size | |||||||
| VSD size (diastole, cm/m2) | 4.47 (3.52-6.00) | 5.16 (4.19-6.00) | 4.25 (3.13-6.01) | 1.13 | 0.76, 1.71 | 0.53 | 0.63 |
| VSD size (systole, cm/m2) | 2.32 (1.98-3.56) | 3.00 (2.00-3.90) | 2.27 (2.02-3.52) | 1.22 | 0.59, 2.54 | 0.59 | 0.54 |
| LV-RV angle (diastole, degrees) | 82 (71-95) | 75 (69-83) | 88 (81-96) | 0.95 | 0.89, 1.00 | 0.06 | 0.71 |
| LV-RV angle (systole, degrees) | 99 (85-112) | 93 (83-102) | 103 (88-116) | 0.97 | 0.92, 1.02 | 0.20 | 0.65 |
| Other | |||||||
| LV EF (%) | 60 (56-69) | 60 (56-70) | 63 (56-68) | 1.01 | 0.95, 1.09 | 0.72 | 0.52 |
| RV EF (%) | 63 (58-72) | 68 (62-72) | 62 (57-72) | 1.05 | 0.97, 1.15 | 0.28 | 0.60 |
| Total atrioventricular valve regurgitation (%) | 9 (2-17) | 6 (0-12) | 10 (5-17) | 0.95 | 0.82, 1.07 | 0.44 | 0.61 |
| Qp:Qs | 1.90 (1.16-2.69) | 1.74 (1.26-2.57) | 2.00 (1.07-2.65) | 0.86 | 0.47, 1.35 | 0.53 | 0.50 |
| Echocardiographic Variables | |||||||
| Atrioventricular valve area | |||||||
| Standardized AVVI | 0.12 (0.06-0.21) | 0.05 (0.02-0.11) | 0.16 (0.11-0.23) | 0.14* | 0.03, 0.61* | <0.01 | 0.83 |
| VSD size | |||||||
| LV-RV angle (diastole, degrees) | 76 (68-89) | 72 (69-83) | 78 (64-91) | 0.99 | 0.94, 1.04 | 0.67 | 0.55 |
| LV-RV angle (systole, degrees) | 93 (80-109) | 89 (84-104) | 98 (78-109) | 1.00 | 0.95, 1.04 | 0.93 | 0.54 |
*
OR and CI for change in metric by 0.1; AVVI: atrioventricular valve index; CMR: cardiac magnetic resonance imaging; EDVI: standardized LV EDV to total EDV ratio; LV: left ventricle; Qp: pulmonary blood flow; Qs: systemic blood flow; RV: right ventricle; VSD: ventricular septal defect.