Table 4.

Multivariate analysis of independent influencing factors of myocardial bridge-related coronary heart disease

	B	SE	Wald	P	OR	95.0%CI
						Lower limit	Upper limit
MB type (Deep = 1, Superficial = 0)	0.459	0.316	2.858	0.072	1.582	0.852	2.939
MB thickness	1.001	0.274	10.420	0.000	2.722	1.591	4.657
Systolic compression	0.514	0.162	12.341	0.000	1.672	1.217	2.297
Diastolic compression	1.266	0.347	18.226	0.000	3.548	1.797	7.004
MCA systolic stenosis rate	0.602	0.242	9.854	0.001	1.825	1.136	2.933

MB: Myocardial bridge; MCA: Mural coronary artery.