Table 2.

Correlation between serum apelin and Pro-BNP levels and echocardiographic parameters.

Variables	r	P-value
Apelin
Pro-BNP (pre-TAVI)	-0.460	0.001
Pro-BNP (post-TAVI)	-0.441	0.002
AVA	0.376	0.011
Mean gradient	-0.372	0.012
LV mass index	-0.844	< 0.001
Troponin I	-0.444	< 0.001
Pro-BNP (pre-TAVI)
AVA	-0.803	< 0.001
Mean gradient	0.795	< 0.001
LV mass index	0.723	< 0.001
Troponin I	0.489	< 0.001

AVA=aortic valve area; LV=left ventricular; Pro-BNP=pro-brain natriuretic peptide; TAVI=transcatheter aortic valve implantation