Table 2.

Multivariable analysis of risks of low collateralization in patients with chronic total occlusion

Variable	OR	95% CI	P value
Female	1.770	1.022–3.329	0.049
Age ≥65 years	1.556	1.002–2.369	0.039
Hypertension	0.524	0.336–0.818	0.004
Hyperlipidemia	2.168	1.426–3.296	<0.001
Diabetes mellitus	2.567	1.650–3.995	<0.001
eGFR<60 ml/(min∙1.73 m2)	3.069	1.761–5.350	<0.001
Single-vessel disease	1.902	1.155–3.302	0.011