Table 3.
Analysis of the duplex ultrasonography findings before first use of vascular access
| Total (N = 529) |
RC AVF (N = 264) |
BC AVF (N = 168) |
AVG (N = 97) |
P | ||
|---|---|---|---|---|---|---|
| Duplex ultrasonography | BA diameter (cm) | 5.7 ± 3.7 | 5.7 ± 4.4 | 5.7 ± 3.5 | 5.6 ± 1.1 | 0.955 |
| BA flow (ml/min) | 1009.6 ± 610.3 | 860.8 ± 477.8 | 1226.6 ± 743.7 | 1005.6 ± 535.0 | < 0.001 | |
| BA PVS (cm/sec) | 207.0 ± 84.7 | 188.1 ± 68.1 | 238.9 ± 99.2 | 195.0 ± 76.8 | < 0.001 | |
| Cephalic vein diameter | 5.7 ± 6.1 | 4.9 ± 3.0 | 6.6 ± 6.7 | 6.0 ± 10.2 | < 0.001 | |
| Cephalic vein flow | 911.8 ± 664.8 | 726.5 ± 505.3 | 1153.2 ± 788.3 | 1008.8 ± 672.9 | < 0.001 | |
| Cephalic vein PSV | 161.7 ± 73.3 | 146.3 ± 64.6 | 167.7 ± 72.6 | 194.2 ± 85.2 | 0.032 | |
Values are presented as number (%), mean ± standard deviation, or median with range
AVF arteriovenous fistula, AVG arteriovenous graft, BA brachial artery, BC brachiocephalic, PSV peak systolic velocity, RC radiocephalic