Table 3.
Predictors of autograft valve replacement instead of valve-sparing (logistic regression model).
| Risk factor | Univariable model | Multivariable model | ||
|---|---|---|---|---|
| OR (95% CI) | P-value | OR (95% CI) | P-value | |
| Sex (men) | 0.71 (0.16–3.19) | 0.66 | – | – |
| Age at redo surgery | 1.09 (1.04–1.16) | 0.001 | 1.07 (1.00–1.14) | 0.04 |
| Time post-Ross procedure | 0.92 (0.82–1.04) | 0.18 | 0.96 (0.79–1.16) | 0.70 |
| Year of the surgery | 0.81 (0.60–1.09) | 0.16 | 0.75 (0.48–1.19) | 0.23 |
| Aortic regurgitation grade | 3.62 (1.53–8.56) | 0.003 | 4.07 (1.11–14.89) | 0.03 |
| LV \ aorta mean gradient | 1.82 (1.09–3.01) | 0.02 | 1.76 (0.93–3.34) | 0.08 |
| Annulus diameter | 2.65 (0.57–12.39) | 0.22 | – | – |
| Sinus diameter | 0.79 (0.27–2.34) | 0.68 | – | – |
| Tubular aorta diameter | 1.26 (0.58–2.71) | 0.56 | – | – |
The bold values are P < 0.05.
CI, Confidence Interval; LV, Left ventricle; OR, Odds ratio.