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. 2023 Dec 12;10:1306445. doi: 10.3389/fcvm.2023.1306445

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.