Table 1: Characteristics of patients and arteriovenous access included (n=145)
Variable |
Patients who died |
Patients who survived |
p |
Number: % (n) |
22.1 (32) |
77.9 (113) |
- |
Gender % (n): male / female |
53.1 (17) / 46.9 (15) |
62.8 (71) / 37.2 (42) |
0.32 |
Age (years) |
71.1±8.0 |
60.2±13.8 |
<0.001 |
Time on hemodialysis (months) |
46.7±62.0 |
27.0±39.6 |
0.25 |
Primary kidney disease % (n) Glomerular disease Polycystic kidney disease Interstitial disease Vascular disease Diabetic nephropathy Hypertensive nephropathy Unkonwn |
12.5 (4) 12.5 (4) 9.4 (3) 6.2 (2) 21.9 (7) 15.6 (5) 21.9 (7) |
17.7 (20) 15.0 (17) 12.4 (14) 1.8 (2) 16.8 (19) 10.6 (12) 25.7 (29) |
0.48 0.41 0.64 0.21 0.51 0.65 0.66 |
Coronary artery disease (%) |
31.3 (10) |
17.9 (20) |
0.10 |
Peripheral vascular disease (%) |
18.8 (6) |
12.4 (14) |
0.36 |
Cerebrovascular disease (%) |
28,1 (9) |
16.8 (19) |
0.15 |
At least one cardiovascular disease (% ) |
53.1 (17) |
35.4 (40) |
0.07 |
Baseline single-pool Kt/V index |
1.40±0.21 |
1.37±0.23 |
0.37 |
Overall single-pool Kt/V index |
1.44±0.18 |
1.41±0.22 |
0.56 |
Baseline mean arterial pressure (mmHg) |
96.2±14.7 |
94.8±12.5 |
0.76 |
Overall mean arterial pressure (mmHg) |
94.8±14.5 |
94.0±11.9 |
0.87 |
Type of arteriovenous access (%): fistula / graft |
87.5 (28) / 12.5 (4) |
83.2 (94) / 16.8 (19) |
0.56 |
Radial artery-based fistula (%) |
59.4 (19) |
52.2 (59) |
0.47 |
Brachial artery-based fistula (%) |
28.1 (9) |
31.0 (35) |
0.76 |
Brachial artery-based graft (%) |
3.1 (1) |
7.1 (8) |
0.41 |
Femoral artery-based graft (%) |
9.4 (3) |
9.7 (11) |
0.95 |
Duration of current arteriovenous access (months) |
25.6±54.8 |
35.2±53.2 |
0.16 |
History of previous arteriovenous accesses (%) : 1 / >1 |
62.5 (20) / 37.5 (12) |
57.5 (65) / 42.5 (48) |
0.61 |
Ratio number arteriovenous access /patient |
2.00±1.62 |
1.84±1.42 |
0.61 |
Baseline arteriovenous access flow (ml/min) |
907.6±398.1 |
1150.8±432 |
0.005 |
Overall arteriovenous access flow (ml/min) |
933.9±393.5 |
1207.3±476.6 |
0.002 |
Elective arteriovenous access intervention for stenosis (%) |
18.7 (6) |
14.2 (16) |
0.41 |