Table 2.

Demographic characteristics associated with conversion from baseline catheters to graft/fistula and conversion from baseline fistula/graft to catheter use at the end of the 4-month conversion period

Characteristic	Catheter to Fistula/Graft		Fistula/Graft to Catheter
	OR	95% CI	OR	95% CI
Age (years)
<45	1.00	—	1.00	—
45 to 55	1.01	0.86 to 1.18	0.90	0.66 to 1.25
56 to 65	0.98	0.84 to 1.14	1.10	0.82 to 1.47
66 to 75	0.89	0.77 to 1.03	1.27	0.96 to 1.69
>75	0.75a	0.64 to 0.88	1.61b	1.21 to 2.15
Gender
female	1.00	—	1.00	—
male	1.48a	1.35 to 1.62	0.75a	0.64 to 0.88
Race
other	1.00	—	1.00	—
white	0.99	0.82 to 1.19	1.36	0.99 to 1.88
black	1.02	0.92 to 1.10	1.33	0.96 to 1.84
Diabetes
No	1.00	—	1.00	—
Yes	1.01	0.92 to 1.10	1.25b	1.06 to 1.48
Vintage
≤90 days	1.00	—	1.00	—
91 to 365 days	1.19c	1.04 to 1.36	0.79	0.45 to 1.37
>1 to 2 years	0.71a	0.61 to 0.84	0.71	0.41 to 1.22
>2 years	0.57a	0.50 to 0.66	0.69	0.41 to 1.17

Reference group has odds ratio (OR) of 1.00, with factors that show OR >1.00 indicating greater likelihood for conversion. CI, confidence interval.

^aP < 0.001.

^bP < 0.01.

^cP = 0.01.