Table 3.
Sex differences in valve weight after stratification by valve morphology and correcting for body surface area and left ventricular outflow tract area
| Male | Female | P-value | |
|---|---|---|---|
| All patients | |||
| Valve morphology | 0.08 | ||
| Bicuspid (%) | 165 (30) | 79 (24) | |
| Tricuspid (%) | 394 (70) | 250 (76) | |
| Valve weight (g) | 3.08 ± 1.32 | 1.94 ± 0.88 | <0.0001 |
| Valve weight indexed to BSA (g/m2) | 1.48 ± 0.62 | 1.09 ± 0.48 | <0.0001 |
| Valve weight indexed to LVOT area (g/cm2) | 0.71 ± 0.29 | 0.54 ± 0.23 | <0.0001 |
| Bicuspid aortic valves only | |||
| Valve weight (g) | 3.89 ± 1.44 | 2.39 ± 1.01 | <0.0001 |
| Valve weight indexed to BSA (g/m2) | 1.84 ± 0.66 | 1.33 ± 0.53 | <0.0001 |
| Valve weight indexed to LVOT area (g/cm2) | 0.85 ± 0.32 | 0.62 ± 0.24 | <0.0001 |
| Tricuspid aortic valves only | |||
| Valve weight (g) | 2.75 ± 1.10 | 1.79 ± 0.78 | <0.0001 |
| Valve weight indexed to BSA (g/m2) | 1.33 ± 0.53 | 1.01 ± 0.44 | <0.0001 |
| Valve weight indexed to LVOT area (g/cm2) | 0.66 ± 0.25 | 0.52 ± 0.23 | <0.0001 |
BSA, body surface area; LVOT, left ventricular outflow tract.