Evaluation of Left Atrial Function in Patients with Paroxysmal Atrial Fibrillation Using Left Atrial Automatic Myocardial Functional Imaging Ultrasonography

Table 6

Cox univariate and multivariate analyses.

Factors	Univariate		Multivariate
	HR (95% CI)		HR (95% CI)
S_R	0.829 (0.764–0.901)	0.000	0.890 (0.811–0.978)	0.003
LAEF	0.890 (0.843–0.939)	0.000	0.912 (0.859–0.969)	0.015
Therapy method	—	0.002	0.227 (0.046–1.132)	0.071
Thromboembolic risk	—	0.005	1.231 (0.489–3.099)	0.658

S_R, LA reservoir strain; LAEF, left atrial emptying fraction; HR, risk ratio.