Table 1

Summary of patient characteristics

Lone AFMVD+AFControl groupp Value
Data are mean (SD) or number (%).
ACE, angiotensin converting enzyme; AVR, aortic valve replacement; CABG, coronary artery bypass grafting; CAF, chronic atrial fibrillation; IRAAF, intraoperative radiofrequency ablation of atrial fibrillation; LVEF, left ventricular ejection fraction; MVD, mitral valve disease; MVR, mitral valve repair or replacement; NS, not significant; PAF, paroxysmal atrial fibrillation; SR, sinus rhythm.
Number564615
PAF3010−1
CAF2636−1
Cardiac surgeryIRAAFMVR+IRAAFMVR (7)
MVR+CABG (1)
CABG (6)
AVR+CABG (2)
Age (years)48 (13)64 (10)59 (7)<0.05 lone v MVD+AF
<0.05 SR v lone AF
NS SR v MVD+AF
LVEF (%)60 (6)57 (16)55 (13)NS
Left atrium (mm)43 (6)55 (11)44 (7)0.001 lone AF v MVD+AF
<0.001 SR v MVD+AF
Calcium antagonists (all)8 (14%)6 (13%)3 (19%)
Digitalis16 (29%)32 (69%)2 (13%)
β Blocker41 (93%)45 (98%)10 (63%)
Antiarrhythmic drugs22 (39%)6 (13%)0
ACE inhibitors23 (41%)43 (93%)9 (56%)
Spironolactone1 (2%)8 (17%)0