Table 3.

Procedural outcome after transcatheter aortic valve implantation per procedural time interval

Characteristics	Time interval			p-value
	First interval (n = 337)	Second interval (n = 337)	Third interval (n = 337)
NYHA decreased ≥1 pointa	186/252 (73.8%)	206/246 (83.7%)	175/201 (87.1%)	0.00025
Device successb	204/329 (62.0%)	288/332 (86.7%)	303/331 (91.5%)	<0.0001
In-hospital complications
– Stroke	17 (5.0%)	10 (3.0%)	7 (2.1%)	0.033
– Major vascular complication	22 (6.5%)	25 (7.4%)	12 (3.6%)	0.10
– Major bleeding	31 (9.2%)	35 (10.4%)	19 (5.6%)	0.096
– New pacemaker implantation	35 (10.4%)	26 (7.7%)	20 (5.9%)	0.033

If data were missing denominators are notated

NYHA New York Heart Association class

^aMeasured at 30–60 days after the procedure

^bDefined as the composite end-point according to VARC-2 criteria: absence of 30-day mortality, correct positioning of a single prosthesis and prosthesis performance