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Table 4 Relation between outcome of fistula and preoperative ultrasound findings

From: Role of early postoperative ultrasonography in prediction of AV fistula failure in hemodialysis patients

Studied variablesOutcome of fistulaTest of sig.P value
Mature (N = 82)Failed (n = 18)
Cephalic vein diameter (mm)  t test = 9.500.001**
 Mean ± SD2.39 ± 0.192.0 ± 0.13
 Median2.402.0
 Range2.0–2.81.7–2.2
Radial artery peak systolic velocity cm/sec  U = 4.410.001**
 Mean ± SD68.1 ± 11.148.5 ± 15.7
 Median64.543.0
 Range54.0–88.032.0–85.0
Radial artery diameter (mm)  t test = 11.20.001**
 Mean ± SD2.29 ± 0.2621.78 ± 0.150
 Median2.301.75
 Range1.8–2.71.6–2.1
Brachial artery peak systolic velocity cm/sec  U = 6.040.001**
 Mean ± SD77.0 ± 10.960.4 ± 13.5
 Median74.556.0
 Range60.0–93.043.0–92.0
Brachial artery diameter (mm)  t test = 2.610.011*
 Mean ± SD4.56 ± 0.524.26 ± 0.425
 Median4.754.2
 Range3.0–5.23.4–5.6
  1. U Mann-Whitney test
  2. **High significant, *significant