Table 1 Baseline characteristics of the patients

Age-y

57.9 ± 12.6

62.9 ± 9.4

1.454

.15

Gender (male/female)

15/10

8/11

1.386

.24

Hypertension

23

16

0.650

.42

Diabetes mellitus

14

10

0.049

.82

Central Venous Catheter

18

13

0.066

.80

Age of Fistula-days

56.6 ± 20.5

54.6 ± 27.2

-0.268

.79

Cephalic vein diameter-mm

1.94 ± 0.28

1.96 ± 0.22

-0.278

.78

Radial artery diameter-mm

1.82 ± 0.26

1.92 ± 0.21

-1.444

.16

Systolic blood flow of the radial artery-ml/min

62.08 ± 10.05

65.85 ± 9.54

-1.260

.22

Diastolic blood flow of the radial artery-ml/min

14.77 ± 3.09

15.56 ± 3.32

-0.815

.42