Table 5. Logistic regressions.

	Wald χ2	P Value	OR	95% CI of OR
Single MVD
CAD	4.7791	0.0288	4.560	1.170–17.776
Single AVD
CAD	5.7267	0.0167	5.262	1.351–20.503
Combined mitral and aortic valve diseases
age	6.9965	0.0082	1.077	1.019–1.137
Male	14.4323	0.0001	4.811	2.139–10.820
Smoking (current or former)	5.5689	0.0183	15.758	2.086–119.021