Table 3.

Determinants of Maximum Plaque Burden in the Proximally Adjacent Segment

Variable	Simple Regression Analysis			Multiple Regression Analysis
	r	95% CI	P Value	β	95% CI	P Value
Age	0.424	0.28 to 0.69	<0.001	0.290	0.12 to 0.54	0.003
Male	0.328	4.38 to 16.33	<0.001	0.230	1.72 to 12.77	0.011
Hyperlipidemia	0.384	6.41 to 18.33	<0.001	0.221	1.25 to 12.96	0.018
Hypertension	0.155	−1.30 to 10.72	0.123	0.075	−3.26 to 7.80	0.418
Current smoker	−0.065	−23.51 to 12.02	0.523	—	—	—
Diabetes mellitus	0.114	−3.61 to 13.29	0.258	—	—	—
Arterial compression	0.254	0.08 to 0.56	0.011	0.192	0.02 to 0.46	0.031
Length from LAD orifice	0.125	−0.09 to 0.39	0.219	—	—	—
MB length	−0.100	−0.34 to 0.11	0.321	—	—	—
Halo thickness	0.064	−3.56 to 6.93	0.526	—	—	—

R ²=0.343, P<0.001 for multivariate model. LAD indicates left anterior coronary artery; MB, myocardial bridge.