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. Author manuscript; available in PMC: 2013 Mar 1.
Published in final edited form as: Ann Thorac Surg. 2012 Feb 2;93(3):789–795. doi: 10.1016/j.athoracsur.2011.12.028

Table 3.

Multivariate Analysis for 12-Month Freedom From Drugs and Atrial Fibrillation

Variables OR (95% CI) p Value
Lone CMIV
 Nonbox lesion set 4.884 (1.371–17.401) 0.014
 NYHA class III or IV 2.028 (0.355–11.605) 0.427
 LVEF 0.959 (0.909–1.012) 0.124
 Early pacemaker 4.144 (0.528–32.533) 0.176
 Early ATA 2.395 (0.591–9.705) 0.221
 Left atrial diameter 1.728 (0.963–3.101) 0.067
Concomitant MV and CMIV
 Nonbox lesion set 6.699 (1.772–25.328) 0.004
 Left atrial diameter 1.541 (0.874–2.716) 0.135
 Age 1.049 (0.988–1.114) 0.117

ATA = atrial tachyarrhythmia; CI = confidence interval; CMIV = Cox-Maze IV; LVEF = left ventricular ejection fraction; MV = mitral valve; NYHA = New York Heart Association; OR = odds ratio.