Aortic Arch Calcification as a Predictor of Repeated Arteriovenous Fistula Failure within 1-Year in Hemodialysis Patients

Table 4

Summary of repeated failure of AVF divided in 4 aortic arch calcification grades.

	Aortic arch calcification grades
	Grade 0	Grade 1	Grade 2	Grade 3
Total subjects,	59	71	102	52
Subjects with repeated failure,	6	7	25	16
Total episodes of thrombosis/intervention,	12	15	58	44
Maximum episodes of thrombosis/intervention,	2	3	4	5
Repeated failure rate at 1 year, %	10.2	9.9	24.5	30.8

Data are presented as numbers or percentages.