Endovascular Stent Placement for Hemodialysis Arteriovenous Access Stenosis

Table 3

Predictors of postintervention primary patency after stent insertion.

Variables	Unadjusted Cox analysis		Adjusted Cox analysis
	value	Hazards ratio (95% CI)	value	Hazards ratio (95% CI)
Patient age	0.78	1.0 (0.96–1.0)	—	—
Male gender	0.20	1.6 (0.79–3.0)	—	—
Indigenous ethnicity	0.49	0.79 (0.40–1.5)	—	—
Diabetes	0.62	1.3 (0.52–3.0)	—	—
Vascular disease	0.85	1.1 (0.54–2.1)	—	—
Native AVF	0.11	0.52 (0.24–1.2)	—	—
Access age <12 months	0.0043	3.1 (1.4–6.9)	0.0029	3.5 (1.5–7.8)
Upper arm lesion	0.0067	5.2 (1.6–17)	0.0084	5.1 (1.5–17)
Covered stent	0.43	0.73 (0.33–1.6)	—	—
Antiplatelet	0.99	1.0 (0.51–1.9)	—	—

Aboriginal or Torres Strait Islander ethnicity.