Table 4.

Access recirculation for catheter (group 1) and AV fistulae (group 2)

Zones	Group 1 Recirculation (%)	IQR	Group 2 Recirculation (%)	IQR	P-value
A zone	10.0	6.5 – 14.2	9.8	7.5 – 14.1	0.62
B zone	9.6	6.1 – 15.5	12.2	8.5 – 14.4	0.07
C zone	12.6	8.2 – 17.9	10.7	7.6 – 16.5	0.21
D zone	9.3	6.2 – 15.0	10.0	7.5 – 12.6	0.69
E zone	10.9	6.4 – 26.0	6.6	6.5 – 6.6	0.77
F zone	14.5	5.7 – 17.5	12.5	7.5 – 19.2	0.83

Recirculation: Access recirculation fraction; IQR, Interquartile range. A to F zones correspond to treatment distribution in Figures 1 and 2.