. Author manuscript; available in PMC: 2014 Nov 1.

Published in final edited form as: J Thorac Cardiovasc Surg. 2013 Aug 30;146(5):1072–1077. doi: 10.1016/j.jtcvs.2013.06.048

Table 1.

Demographics

	Lone MV	MV + CMIV	p-value
	N=109	N=104
Age (years)	65.6 ± 13.2	63.5 ± 11.8	0.21
Gender (female)	53 (49%)	57 (55%)	0.41
NYHA Class III or IV	84 (77.1%)	74 (71%)	0.35
Ejection Fraction (%)	50 ± 14	51 ± 11	0.17
Renal failure	12 (11%)	1 (1%)	<0.01
Diabetes	29 (27%)	14 (14%)	0.02
COPD	41 (38%)	20 (19%)	<0.01
Hyperlipidemia	63 (58%)	42 (40%)	0.01
Previous MI	30 (28%)	4 (4%)	<0.01
Previous CVA	20 (18%)	5 (5%)	<0.01
Previous CABG	22 (20%)	3 (3%)	<0.01
Previous valve operation	44 (40%)	12 (12%)	<0.01
Predicted STS Operative Mortality (%)	5.5 ± 5.2	2.5 ± 1.9	<0.01

Abbreviations: CMIV, Cox-Maze IV; COPD, chronic obstructive pulmonary disease; CABG, coronary artery bypass graft; CVA, cerebral vascular accident; MI, myocardial infarction; MV, mitral valve; NYHA, New York Heart Association; STS, Society of Thoracic Surgeons.