Static pressures, intra-access blood flow and dynamic Kt/V profiles in the prediction of dialysis access function

Table 2 Relationships between static access pressures, access blood flow and Kt/V profiles

Strength of association
Variables	rs	P-value
Static PA – Kt/V profiles	-0.05	0.636
Static PA – Kt/V	-0.14	0.155
Static PV – Kt/V profiles	0.19	0.047
Static PVQTRL – Kt/V profiles	-0.17	0.078
Static PA – Intra-access blood flow	-0.25	0.009
Static PA – Intra-AVF blood flow	-0.22	0.069
Static PA – Intra-AVG blood flow	-0.16	0.319
Static PV – Intra-access blood flow	0.04	0.666
Intra-access blood flow - Kt/V profile	-0.12	0.208
Intra-AVF blood flow - Kt/V profile	0.17	0.174
Intra-AVG blood flow - Kt/V profile	0.05	0.783
Critical intra-access blood flow - PA	0.24	0.226
Critical intra-access blood flow - PV	0.14	0.482
Critical intra-access blood flow – Kt/V profile	0.01	0.962
20% reduced intra-access blood flow – Static PA	-0.15	0.262
20% reduced intra-access blood flow – Static PV	-0.03	0.851
20% reduced intra-access blood flow – Kt/V profile	0.14	0.294
Access recirculation > 5% - Kt/V profile	0.20	0.389
Kt/V – Kt/V profile	-0.08	0.397