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

Table 4

Cost and resource use by number of catheter dysfunction sessions*.

Catheter dysfunction sessions/month (quintile)	Patients (𝑛)	Cost and Resource Use
		Direct medical cost**	Missed sessions due to access***	Hospitalization***	Catheter access procedure***
1 (0.04–0.32)	424	$5,390	1.2	19.2	21.3
2 (0.33–0.56)	426	$5,746	1.4	25.8	26.7
3 (0.57–1.13)	430	$5,634	1.9	23	29.9
4 (1.14–2.33)	433	$6,010	2.3	26.4	42.4
5 (>2.33)	419	$6,226	2.8	26.6	56.4
All	2,132	$5,801	1.9	24.2	35.3

*Catheter dysfunction was defined as unplanned blood flow rate during the dialysis session of <300 mL/min.
**Per month on catheter dialysis.
***Per 100 patient months at risk.