Plasma big endothelin-1 predicts new-onset atrial fibrillation after surgical septal myectomy in patients with hypertrophic cardiomyopathy

Table 4 Logistic analysis for predictors of postoperative atrial fibrillation

Characteristics	OR	95% CI	P-value
Univariate Logistic regression analysis
Age	1.043	1.002–1.084	0.038
Male	0.727	0.299–1.768	0.482
Body mass index	1.109	0.966–1.273	0.142
Hypertension	1.326	0.489–3.599	0.579
Left atrial diameter	1.123	1.036–1.217	0.005
Left ventricular end-diastolic diameter	1.002	0.905–1.110	0.962
Left ventricular ejection fraction	1.029	0.951–1.114	0.476
Maximum wall thickness	0.987	0.892–1.092	0.806
LVOT obstruction at rest	0.596	0.168–2.120	0.424
Moderate or severe mitral regurgitation	1.448	0.550–3.807	0.453
Pulmonary hypertension	3.870	0.732–20.447	0.111
Big ET-1	177.7	10.5–3007	< 0.001
Multivariate Logistic regression analysis^a
Age	1.034	0.991–1.080	0.126
Left atrial diameter	1.106	1.015–1.205	0.022
Big ET-1	100.7	5.0–2020.0	0.003

CI confidence interval, ET-1 endothelin-1, LVOT left ventricular outflow tract, OR odds ratio
^aAge, left atrial diameter, and high big ET-1 versus low big ET-1 were included in the multivariate logistic regression analysis

ISSN: 1471-2261