Table 2.

Cox regression analysis of factors associated with access patency

	AVG			AVF
	aHR	95% CI	Statistical Significance, P	aHR	95% CI	Statistical Significance, P
Stent	0.17	0.07, 0.39	<0.001	0.66	0.34, 1.26	0.21
Age	0.99	0.97, 1.01	0.40	0.99	0.98, 1.01	0.35
Female	0.36	0.18, 0.72	0.004	1.49	0.63, 3.48	0.36
Diabetes mellitus	0.47	0.26, 0.87	0.02	1.36	0.72, 2.58	0.35
Location of lesion, % inflow	1.25	0.33, 4.78	0.74	0.90	0.45, 1.79	0.76