Table 2.

Outcomes of first-time hemodialysis access creation by access type; AVF, arteriovenous fistula;AVG, arteriovenous graft

	Total	95% CI	AVF	95% CI	AVG	95% CI	P value
n	12716		8818		3898
Mean length of follow-up (days)	653	657–660	637	628–645	684	673–695	<0.0001
Average time to first reintervention (days)	148	136–160	181	167–195	80	58–102	<0.0001
Average number of surgical reinterventions	0.42	0.41–0.43	0.34	0.33–0.35	0.57	0.55–0.59	<0.0001
Average number of endovascular reinterventions	1.48	1.46–1.51	1.23	1.20–1.25	1.95	1.90–2.00	<0.0001
Average number of reinterventions overall	1.76	1.74–1.79	1.50	1.47–1.53	2.24	2.18–2.30	<0.0001
Year 0	3.00	2.84–3.15	2.52	2.38–2.67	4.08	3.70–4.45	<0.0001
Year 1	1.81	1.62–1.99	1.41	1.23–1.58	2.65	2.23–3.07	<0.0001
Year 2	1.85	1.61–2.10	1.42	1.16–1.67	2.82	2.26–3.37	<0.0001
Year 3	1.87	1.57–2.17	1.48	1.17–1.79	2.81	2.11–3.52	0.0001
Year 4	1.57	1.18–1.97	1.19	0.91–1.48	2.50	1.34–3.67	0.0031
Year 5	1.44	0.99–1.88	1.07	0.75–1.39	2.37	1.02–3.71	0.0100
Freedom from reintervention							0.3647
Year 1	0.69	0.70–0.71	0.69	0.66–0.68	0.69	0.75–0.77
Year 2	0.62	0.60–0.61	0.62	0.58–0.59	0.61	0.63–0.65
Year 3	0.58	0.54–0.55	0.59	0.53–0.54	0.57	0.56–0.57
Year 4	0.55	0.49–0.50	0.56	0.48–0.50	0.53	0.49–0.52
Year 5	0.52	0.45–0.46	0.53	0.45–0.46	0.52	0.44–0.47