Table 3.

Preprocedural echocardiographic and hemodynamic data.

Preprocedural echocardiographic and hemodynamic data	Group 1, fair result	Group 2, good result	Group 3, suboptimal result	p value 1 vs. 2	p value 1 vs. 3	p value 2 vs. 3
Mitral valve area, cm2 (by echo)	0.84 ± 0.14	0.93 ± 0.17	0.75 ± 0.12	<0.001	<0.001	<0.001
Mitral valve gradient (mean), mm Hg (by echo)	16.03 ± 7.1	14.14 ± 5.35	17.06 ± 6.62	0.079	0.196	0.007
Grade of mitral regurgitation (by echo)	1.01 ± 0.82	0.86 ± 0.8	1.12 ± 0.82	0.077	0.609	0.032
Left atrial pressure (mean), mmHg (by catheterization)	23.35 ± 8.09	22.84 ± 6.98	24.98 ± 8.51	0.875	0.149	0.055
Pulmonary artery pressure (mean), mmHg (by catheterization)	35.51 ± 13.5	35.28 ± 13.9	40.59 ± 17.58	0.892	0.024	<0.001
Transmitral gradient, mmHg (by catheterization)	15.46 ± 6.73	15.7 ± 6.83	17.54 ± 6.64	0.769	0.021	<0.001