Table 5.

Uni- and multivariate analysis to identify risk factors for in-hospital mortality.

Univariate Analysis				p-Value
Increased age				0.002 *
Coronary artery disease				0.097
Previous CABG				0.059
Vegetations >8 mm				0.018 *
NYHA IV				0.065
Low cardiac output				0.060
Preoperative renal insufficiency				0.019 *
Dialysis (preoperative)				0.059
Previous mechanical ventilation				0.006 *
Time-to-operation (after cerebral embolization)
Intermediate surgery (8–21 days)				0.026 *
Late surgery (≥22 days)				0.041 *
95%-Confidence interval
Multivariate analysis	Odds ratio	low	high	p-value
Vegetations >8 mm	9.408	1.455	60.821	0.019 *
Increased age	1.100	1.006	1.202	0.037 *

CABG = coronary artery bypass graft; NYHA = New York Heart Association. (* = statistically significant).