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. Author manuscript; available in PMC: 2014 Jun 1.
Published in final edited form as: Heart Rhythm. 2013 Feb 13;10(6):875–880. doi: 10.1016/j.hrthm.2013.02.014

Table 4.

The results of multivariate Cox model MC2 with respect to the primary endpoint event.

With CLASS III AA Without CLASS III AA
Hazard ratio (95% C.I.) P Hazard ratio (95% C.I.) p
DM 2.29 (0.96, 5.43) 0.06 2.06 (0.72, 5.88) 0.18
LVEF 1.51 (0.63, 3.61) 0.35 2.47 (0.84, 7.28) 0.1
QTII 2.48 (0.99, 6.19) >0.05 4.32 (1.37, 13.6) 0.01
QTstd 0.56 (0.18, 1.83) 0.35 0.22 (0.05, 1.1) 0.07
sex 0.67 (0.19, 2.42) 0.54 0.65 (0.14, 3.02) 0.58

CLASS III AA: Class III antiarrhythmic medication. DM: Diabetes mellitus. LVEF: left ventricular ejection fraction.