Table 4.

Multivariate Cox proportional hazards models for thromboembolic events.

	Model 1		Model 2
	HR (95% CI)	P value	HR (95% CI)	P value
Aortic valve replacement	2.67 (1.01–7.11)	0.048	0.91 (0.20–4.18)	0.908
Cauliflower-shaped LAA	2.45 (1.02–5.87)	0.045	1.77 (0.60–5.21)	0.297
Postoperative AF	1.24 (0.42–3.66)	0.694	1.92 (0.59–6.28)	0.279
LAAO	0.19 (0.04–0.87)	0.032	0.21 (0.05–0.99)	0.049

AF, atrial fibrillation; LAA, left atrial appendage; LAAO, left atrial appendage occlusion

Model 1: Original cohort

Model 2: Propensity score–matched cohort