Surgical Treatment of Concomitant Atrial Fibrillation: Focus onto Atrial Contractility

Table 3

Univariate and multivariate analysis for absence of LA contractility recovery at 3 months of follow-up.

Factors	Univariate   value	Multivariate analysis
		HR	95% CI	value
PAP	<0.0001	1.05	1.01–1.11	0.02
LAA (cm^2)	0.002	1.06	1.01–1.14	0.06
Duration of AF	0.003	1.014	1–1.03	0.06
Age	0.23
Rheumatic disease	0.12
Sex	0.14
Permanent/persistent AF	0.18
Postoperative bleeding	0.47
CPB time	0.31
Cross-clamp time	0.19
AF at discharge	0.17
LAD (mm)	0.08
LVESD (mm)	0.28
LVEDD (mm)	0.73
LVEF (%)	0.58

Not all factors were entered into multivariate model.
AF, atrial fibrillation; CI, confidence interval; CPB, cardiopulmonary bypass; HR, hazard ratio; LAA, left atrial area; LAD, left atrial diameter; LVEDD, left ventricular end-diastolic diameter; LVEF, left ventricular ejection fraction; LVESD, left ventricular end-systolic diameter; PAP, pulmonary artery pressure.