TABLE 4.

Transcatheter aortic valve replacement (TAVR) procedural characteristics.

	Backward wave transit time				P-value
	Q1 (n = 87)	Q2 (n = 88)	Q3 (n = 88)	Q4 (n = 88)
Access site					0.764
Trans-femoral (%)	84 (96.6)	86 (97.7)	85 (96.6)	86 (97.7)
Trans-apical (%)	0 (0)	1 (1.1)	1 (1.1)	0 (0)
Sub-clavian (%)	1 (1.1)	1 (1.1)	2 (2.3)	2 (2.3)
Other (%)	2 (2.3)	0 (0)	0 (0)	0 (0)
Prosthetic valve type					0.827
Medtronic CoreValve (%)	79 (89.7)	79 (89.8)	79 (89.8)	83 (94.3)
Edwards Sapien (%)	8 (9.2)	8 (8.0)	7 (8.0)	5 (5.7)
Boston Acurate (%)	1 (1.1)	2 (2.3)	2 (2.3)	0 (0)
Procedural specifications
Concomitant procedure (%)	13 (14.9)	9 (10.2)	13 (14.8)	9 (10.2)	0.642
Device success (%)	79 (90.8)	86 (97.7)	82 (93.2)	78 (86.6)	0.112