Table 7.

Cox regression analysis of factors associated with reintervention.

Variable	Univariate analysis				Multivariate analysis
	B	HR	95% CI	P	B	HR	95% CI	P
Diabetes	.028	.002	.242–4.363	.847	.028	.001	0.415–4.233	.970
Chronic kidney disease	1.542	.634	.138–11.051	.680	.056	.908	0.538–4.567	.831
Runoffa	.415	.141	.174–13.501	.707	.885	7.906	1.411–14.294	.975
PACCS	2.722	.480	.331–21.429	.807	.032	.002	1.531–2.234	.616
TASC AB + CD	.631	1.331	.542–1.543	.559	0.711	0.915	0.339–2.230	.249
Calcification severityb	1.953	.731	.024–2.111	.807	4.243	8.314	0.334–2.433	.959
Dialysis CKF	.794	.388	.129–2.890	.534	.794	.674	0.129–2.890	.534
Cilostazol use	−2.543	.789	.019–3.567	.456	.908	.908	0.567–3.456	.145
Vessel diameterc	1.456	2.345	1.345–3.567	.456	1.456	2.135	0.234–3.456	.567

B: coefficient; HR: hazard ratio; CI: confidence interval; TASC: Trans-Atlantic Inter-Society Consensus.

^aTwo tibial vessels vs. one tibial vessel + popliteal artery isolated segment.

^bHigh severity score (>2) vs moderate severity score (<2).

^cVessel diameter < 4 mm ≥ 4 mm—popliteal/superficial femoral artery.