Abbreviations, acronyms & symbols
AF	= Atrial fibrillation		MVS	= Mitral valve surgery
AUC	= Area under the curve		PV	= Pulmonary veins
AVR	= Aortic valve replacement		ROC	= Receiver operating characteristics
CABG	= Coronary artery bypass grafting		SD	= Standard deviation
CPB	= Cardiopulmonary bypass		SE	= Standard error
ECG	= Electrocardiogram		SPSS	= Statistical Package for the Social Sciences
EF	= Ejection fraction		SR	= Sinus rhythm
LAD	= Left atrial diameter		TE	= Thromboembolic
MVR	= Mitral valve replacement