Table 1.

Patient characteristics.

	Type of catheter use
	All		First access		Replacement access		P value
	N = 3,364		n = 718		n = 2,646
	Count	%	Count	%	Count	%
Age
18–49	712	21.2	150	20.9	562	21.2	<0.001
50–64	1,112	33.1	209	29.1	903	34.1
65–74	813	24.2	165	23	648	24.5
≥75	727	21.6	194	27	533	20.1
Gender
Male	1,728	51.4	366	51	1,362	51.5	0.81
Female	1,636	48.6	352	49	1,284	48.5
Race
White	1,694	50.4	455	63.4	1,239	46.8	<0.0001
Black	1,417	42.1	222	30.9	1,195	45.2
Other	253	7.5	41	5.7	212	8
Underlying cause of renal failure
Diabetes	1,533	45.6	329	45.8	1,204	45.5	0.09
Hypertension	957	28.4	200	27.9	757	28.6
Glomerulonephritis	341	10.1	59	8.2	282	10.7
Other	533	15.8	130	18.1	403	15.2
Charlson Comorbidity Index
0	1,239	36.8	332	46.2	907	34.3	<0.0001
1-2	716	21.3	160	22.3	556	21
3-4	779	23.2	128	17.8	651	24.6
≥5	630	18.7	98	13.6	532	20.1
Dialysis network
01 New England/02 (NY)	121	3.6	24	3.3	97	3.7	<0.001
03 (NJ)/04 (PA)	128	3.8	30	4.2	98	3.7
05 (VA)	350	10.4	75	10.4	275	10.4
06 (NC)/08 (MS)	460	13.7	66	9.2	394	14.9
07 (FL)	242	7.2	63	8.8	179	6.8
09 (IN)	130	3.9	35	4.9	95	3.6
10 (IL)	101	3	24	3.3	77	2.9
11 (MN)	268	8	72	10	196	7.4
12 (MO)	115	3.4	38	5.3	77	2.9
13 (OK)	134	4	33	4.6	101	3.8
14 (TX)	416	12.4	76	10.6	340	12.8
15 (CO)	231	6.9	50	7	181	6.8
16 (WA)/17 (N-CA)	311	9.2	60	8.4	251	9.5
18 (S-CA)	357	10.6	72	10	285	10.8