COX MAZE (n=70) NIL(n=169) p-value
AGE 76.1+/- 3.7 77.2+/-4.3 0.26
GENDER M 33 F 37 M 89 F 80 0.78
DIABETES 8 39 0.13
COPD 14 27 0.74
BMI 26.4+/-5.0 27.8+/-4.7 0.22
CR Cl 59.3+/-20.0 61.6+/-21.2 0.51
Recent MI 4 6 0.11
Smoking History 23 85 0.48
HTN 41 106 0.31
Previous CVA/TIA 7 23 0.79
NYHA 1 2 7 0.10
NYHA IV 18 47 0.74
Pulmonary HTN 3 26 0.02
LVF 54.8+/-5.8 52.3+/-8.4 0.11
LA Size 4.8+/-1.4 5.1+/-1.1 0.48
AF Duration 19.9+/-22.3 94.2+/-113.7 0.001
PAF (%) 16 (22.9) 12 (7.1%) 0.00001