Summary of echocardiographic data of patients (n = 184).

Table 3: Summary of echocardiographic data of patients (n = 184).

	Rest		Stress		p-value
	N	Mean ± SD	N	Mean ± SD	p-value
Mean transvalvular gradient [mmHg]	184	7.8 ± 3.3	184	11.6 ± 4.0	< 0.0001
Peak transvalvular gradient [mmHg]	184	14.9 ± 5.2	184	21.6 ± 6.5	< 0.0001
EOA [cm²]	184	1.86 ± 0.69	184	1.96 ± 0.71	< 0.0001
EOA index [cm²/m²]	184	1.05 ± 0.37	184	1.10 ± 0.38	< 0.0001
EF change	184	57% ± 7%	184	59% ± 7.5%	0.0230

	N	%	N	%
Intra-aortic regurgitation	184		184
0	164	89.1	161	87.5
1	19	10.3	21	11.4
2	1	0.6	2	1.1

EF: Ejection fraction; EOA: Effective orifice area.