Patterns of Hemodialysis Catheter Dysfunction Defined According to National Kidney Foundation Guidelines As Blood Flow <300 mL/min

Table 3

Factors associated with catheter dysfunction*.

	Hazard ratio	95% confidence interval		𝑃 value
Age
<50		Reference
50–64	1.08	0.95	1.23	0.23
65–74	1.14	0.99	1.30	0.07
≥75	1.13	0.98	1.31	0.09
Gender
Female		Reference
Male	0.85	0.78	0.92	<0.0001
Race
White		Reference
Black	0.90	0.82	1.00	0.04
Other	0.98	0.83	1.17	0.84
Underlying cause of renal failure
Diabetes		Reference
Hypertension	1.08	0.97	1.20	0.17
Glomerulonephritis	0.99	0.85	1.16	0.94
Other/unknown	1.01	0.88	1.15	0.95
Network
6 and 8		Reference
1 and 2	0.52	0.40	0.68	<0.0001
3	0.67	0.51	0.87	<0.01
5	0.64	0.54	0.76	<0.0001
7	0.53	0.43	0.65	<0.0001
9	1.21	0.96	1.52	0.10
10	1.23	0.95	1.57	0.11
11	0.74	0.61	0.89	<0.01
12	0.70	0.54	0.91	<0.01
13	0.95	0.75	1.19	0.63
14	0.89	0.76	1.05	0.16
15	0.78	0.64	0.96	0.02
16	0.77	0.64	0.92	<0.01
18	0.44	0.36	0.54	<.0001
Charlson Comorbidity Index
0		Reference
1-2	0.87	0.71	1.06	0.16
3-4	0.91	0.76	1.07	0.25
>4	0.93	0.79	1.10	0.40
Replacement access
Catheter as first access		Reference
Catheter as replacement access	1.13	1.01	1.27	0.04