Table 4: Summary of echocardiographic data of patients according to valve size (n = 184).
Parameter | Valve size | Rest | ST | P-value | ||
N | Mean ± SD | Mean ± SD | 0.0310 | |||
Peak transvalvular gradient [mmHg] | 19 mm | 3 | 21.3 ± 6.0 | 28.0 ± 8.0 | < 0.0001 | |
21 mm | 17 | 15.8 ± 3.8 | 24.6 ± 3.3 | < 0.0001 | ||
23 mm | 45 | 17.1 ± 3.5 | 23.9 ± 5.1 | < 0.0001 | ||
25 mm | 41 | 15.8 ± 5.3 | 22.6 ± 6.6 | < 0.0001 | ||
27 mm | 37 | 14.5 ± 7.0 | 21.0 ± 8.4 | < 0.0001 | ||
29 mm | 41 | 11.2 ± 2.8 | 17.0 ± 3.8 | 0.0351 | ||
Mean transvalvular gradient [mmHg] | 19 mm | 3 | 12.0 ± 3.6 | 15.0 ± 4.6 | < 0.0001 | |
21 mm | 17 | 8.5 ± 3.0 | 13.4 ± 2.4 | < 0.0001 | ||
23 mm | 45 | 8.6 ± 2.1 | 12.9 ± 3.2 | < 0.0001 | ||
25 mm | 41 | 8.9 ± 3.6 | 12.4 ± 4.6 | < 0.0001 | ||
27 mm | 37 | 7.6 ± 4.0 | 10.8 ± 4.7 | < 0.0001 | ||
29 mm | 41 | 5.3 ± 1.6 | 9.0 ± 2.2 | - | ||
Effective orifice area [cm2] | 19 mm | 3 | 0.93 ± 0.06 | 0.93 ± 0.06 | 0.0800 | |
21 mm | 17 | 1.25 ± 0.17 | 1.27 ± 0.19 | 0.0015 | ||
23 mm | 45 | 1.44 ± 0.41 | 1.53 ± 0.46 | < 0.0001 | ||
25 mm | 41 | 1.83 ± 0.67 | 1.94 ± 0.72 | 0.0008 | ||
27 mm | 37 | 1.97 ± 0.65 | 2.11 ± 0.63 | 0.0002 | ||
29 mm | 41 | 2.58 ± 0.39 | 2.68 ± 0.39 | - | ||
Effective orifice area index [cm2/m2] | 19 mm | 3 | 0.64 ± 0.09 | 0.64 ± 0.09 | 0.0816 | |
21 mm | 17 | 0.79 ± 0.14 | 0.80 ± 0.16 | 0.0030 | ||
23 mm | 45 | 0.87 ± 0.29 | 0.92 ± 0.32 | < 0.0001 | ||
25 mm | 41 | 1.06 ± 0.40 | 1.13 ± 0.43 | 0.0014 | ||
27 mm | 37 | 1.06 ± 0.35 | 1.14 ± 0.34 | 0.0003 | ||
29 mm | 41 | 1.35 ± 0.26 | 1.40 ± 0.26 | 0.0003 |