Table 2. Predictors of patency after LAAO.

Variable	Univariate HR (95% CI)	p-value	Multivariate HR (95% CI)	p-value
Chicken-wing morphology	2.077 (1.003-4.300)	0.049	1.707 (0.599-4.861)	0.317
Tyre-shaped lobe	0.399 (0.199-0.799)	0.010	0.689 (0.239-1.988)	0.490
Separation lobe-disc	0.623 (0.219-1.770)	0.374	NA	NA
Concavity of disc	0.478 (0.222-1.029)	0.059	0.568 (0.186-1.736)	0.321
Lobe-LAA axis misalignment	35.06 (13.34-92.16)	<0.001	38.17 (13.62-106.98)	<0.001
Lobe depth	0.698 (0.284-1.711)	0.432	NA	NA
Lobe compression (increase by 1%)	0.942 (0.901-0.985)	0.009	1.014 (0.955-1.078)	0.646
Platelet count (increase by 1,000/mL)	0.977 (0.993-1.000)	0.081	0.998 (0.992-1.003)	0.382
Procedural ICE vs TOE	1.292 (0.648-2.577)	0.468	NA	NA
Time first follow-up CCTA	0.999 (0.996-1.001)	0.192	0.999 (0.996-1.003)	0.641
Antiplatelet/anticoagulant treatment	0.250 (0.854-5.931)	0.101	3.635 (0.905-14.60)	0.069
CCTA: cardiac computed tomography angiography; CI: confidence interval; HR: hazard ratio; ICE: intracardiac echocardiography; LAA: left atrial appendage; NA: not applicable; TOE: transoesophageal echocardiography