Table 5.

Independent Risk Factors for Neoatherosclerosis

Variable	OR	95% CI	P value
Age (per year)	0.963	0.942 – 0.983	<0.001
Stent duration (per month)	1.028	1.017 – 1.041	<0.001
SES usage	6.534	3.387 – 12.591	<0.001
PES usage	3.200	1.584 – 6.469	0.001
Underlying unstable lesion*	2.387	1.326 – 4.302	0.004

^*“Underlying unstable lesion” includes ruptured plaque and thin-cap fibroatheroma.

CI = confidence interval, OR = odds ratio, PES = paclitaxel-eluting stents, SES = sirolimus-eluting stents