Table 1:
Preoperative patient characteristics
| Parameters | Conventional group | Perceval group | P-value |
|---|---|---|---|
| Number of patients (n) | 70 | 50 | 0.014 |
| Gender (m/f) | 2/86 | 3/47 | n.s. |
| Age (years) | 77.4 ± 5.5 | 79.8 ± 4.5 | n.s. |
| Height (cm) | 159 ± 6.3 | 160 ± 6.8 | n.s. |
| Weight (kg) | 69.5 ± 12.3 | 70.7 ± 15.2 | n.s. |
| BMI | 27.5 ± 4.9 | 27.7 ± 5.5 | n.s. |
| BSA | 1.8 ± 0.17 | 1.7 ± 0.18 | n.s. |
| Mean gradient (mmHg) | 50.8 ± 16.5 | 4.84 ± 16.3 | n.s. |
| NYHA status | |||
| I (n) | 0 | 0 | |
| II (n) | 11 (15.9%) | 3 (6.1%) | |
| III (n) | 53 (76.8%) | 44 (89.8%) | |
| IV (n) | 5 (7.2%) | 2 (4.1%) | |
| EOA (cm2) | 0.65 ± 0.16 | 0.65 ± 0.19 | n.s. |
m/f: male/female; BSA: body surface area; BMI: body mass index; NYHA: New York Heart Association; EOA: effective orifice area; n.s.: not significant.