Table 3.

Composite endpoint and outcomes at follow-up in the early (2009 to 2014) and late (2015 to 2017) groups of HeartMate II implantation.

Variables, n (%)	Cohort n=51	Early n=25	Late n=26	P-value
Composite endpoint (within 90 days)	26 (51)	17 (68)	9 (35)	0.02
90-day mortality	10 (20)	6 (24)	4 (15)	0.43
Reoperation for bleeding	17 (33)	11 (44)	6 (23)	0.11
Need of temporary right ventricular assist device	4 (8)	3 (12)	1 (4)	0.27
Neurological dysfunction	7 (14)	4 (16)	3 (11)	0.64
Pump thrombosis	2 (4)	1 (4)	1 (4)	0.98

RVAD=right ventricular assist device