Table IV.

Factors associated with in-stent restenosis identified by univariate and multivariate Cox proportional hazard analysis

Parameter	Univariate Cox proportional hazard analysis HR (95% CI); p-level	Multivariate Cox proportional hazard analysis HR (95% CI); p-level
Age	0.96 (0.94–0.99); 0.002	0.96 (0.92–0.99); 0.05
Hyperlipidemia	0.85 (0.27–2.69); 0.78	–
Hypertension	0.58 (0.08–4.15); 0.58	–
Intervention on RVA vs. LVA	0.92 (0.59–1.42); 0.69	–
Stent diameter	5.58 (0.01–17.2); 0.912	–
Stent length	1.43 (0.01–8.28); 0.988	–
CRP	1.01 (0.98–1.04); 0.36	–
Stent type:
Stainless steel/cobalt chromium vs. platinum-chromium BMS	0.22 (0.10–0.78); 0.001	0.28 (0.13–0.64); 0.002
Paclitaxel/zotarolimus vs. biolimus/everolimus DES	0.55 (0.27–1.15); 0.114	–