Table 2.
Preoperative variables in the TVP and TVR groups
| Variables | All study patients | Matched groups | ||||||
|---|---|---|---|---|---|---|---|---|
| TVP (n = 201) | TVR (n = 23) | t/χ2 | P | TVP (n = 22) | TVR (n = 22) | t/χ2 | P | |
| Age (years) | 31.0 ± 15.5 | 32.8 ± 17.3 | 0.541† | 0.589 | 26.5 ± 12.1 | 33.2 ± 17.6 | 1.479† | 0.148 |
| Female, n (%) | 122 (60.7) | 12 (52.2) | 0.624 | 0.430 | 13 (59.1) | 11 (50.0) | 0.367 | 0.545 |
| Body surface area (m2) | 1.7 ± 0.3 | 1.8 ± 0.3 | 1.242† | 0.215 | 1.7 ± 0.3 | 1.8 ± 0.3 | −1.244† | 0.220 |
| Prior TV surgery | 0.5 | 26.1 | * | <0.01 | 0.0 | 13.6 | * | 0.021 |
| Cyanosis (%) | 10.4 | 13.0 | * | 0.721 | 22.7 | 13.6 | * | 0.698 |
| Preoperative AF (%) | 5.0 | 26.1 | 13.869 | <0.01 | 0.0 | 27.3 | * | 0.021 |
| Preoperative WPW syndrome (%) | 13.4 | 8.7 | * | 0.747 | 13.6 | 9.1 | * | 1.000 |
| NYHA class ≥III (%) | 51.2 | 73.9 | 4.264 | 0.039 | 72.7 | 72.7 | * | 1.000 |
| Preoperative hemoglobin (g/L) | 147.4 ± 22.3 | 150.4 ± 20.3 | 0.608† | 0.544 | 147.4 ± 19.0 | 151.3 ± 20.3 | −0.659† | 0.513 |
| Preoperative C/R | 0.59 ± 0.08 | 0.62 ± 0.10 | 2.030† | 0.044 | 0.58 ± 0.08 | 0.62 ± 0.10 | −1.439† | 0.158 |
| TR ≥ moderate (%) | 94.5 | 87.0 | * | 0.162 | 100.0 | 86.4 | * | 0.233 |
| Carpentier type (%) | ||||||||
| Type A | 36.3 | 26.1 | * | 0.001 | 18.2 | 22.7 | * | 0.068 |
| Type B | 55.7 | 34.8 | 68.2 | 36.4 | ||||
| Type C | 8.0 | 39.1 | 13.6 | 40.9 | ||||
*Fisher’s exact test. †: t value. TV: Tricuspid valve; AF: Atrial fibrillation; NYHA class: New York Heart Association class; C/R: Cardiothoracic ratio; TR: Tricuspid regurgitation; TVP: Tricuspid valvuloplasty; TVR: Tricuspid valve replacement; WPW: Wolff-Parkinson-White.