Characteristics | Percentage | |
---|---|---|
Gender | Male | 60% |
Female | 40% | |
Age | < 65 years | 78% |
≥ 65 years | 22% | |
Etiology | Hypertension | 50% |
Diabetes | 40% | |
Lupus | 2.2% | |
Multiple myeloma | 0.9% | |
Polycystic kidney disease | 1.7% | |
Unknown | 2.6% | |
Chronic glomerulonephritis | 0.9% | |
Other | 1.7% | |
Diabetes | Yes | 50.9% |
No | 49.1% | |
Obesity | Yes | 6.1% |
No | 93.9% | |
Central venous catheter | Yes | 15.8% |
No | 84.2% | |
Prior AVF | Yes | 36% |
No | 64% |
Failures | Percentage | P-value |
---|---|---|
Clinical Group | 66% | |
Doppler Group | 34% | |
Early (Before maturation) | 75.5% | 0.02 |
Late (After maturation) | 24.5% |
Failure | Odds Ratio [95%CI] | ||||
---|---|---|---|---|---|
No | Yes | P-value* * P-value of the Chi-square test. | |||
Gender | Female | 68 (73.9%) | 24 (26.1%) | 0.40 | - |
Male | 107 (78.7%) | 29 (21.3%) | - | ||
Age | < 65 years | 136 (76.4%) | 42 (23.6%) | 0.81 | - |
≥ 65 years | 39 (78.0%) | 11 (22.0%) | - | ||
Diabetes | No | 86 (76.8%) | 26 (23.2%) | 0.99 | - |
Yes | 89 (76.7%) | 27 (23.3%) | - | ||
Obesity | No | 167 (78.0%) | 47 (22.0%) | 0.05 | Ref |
Yes | 8 (57.1%) | 6 (42.9%) | 1.36 [1.01 – 2.16] | ||
Central catheter | No | 152 (79.2%) | 40 (20.8%) | 0.04 | Ref |
Yes | 23 (63.9%) | 13 (36.1%) | 1.24 [1.02 – 1.60] | ||
Previous | No | 110 (75.3%) | 36 (24.7%) | 0.50 | - |
AVF | Yes | 65 (79.3%) | 17 (20.7%) | - |
Failure | P-value | |||
---|---|---|---|---|
No | Yes | |||
Gender | Female | 42 (85.7%) | 7 (14.3%) | 0.70* * Chi-square test. |
Male | 54 (83.1%) | 11 (16.9%) | ||
Age | < 65 years | 74 (82.2%) | 16 (17.8%) | 0.36** ** Fisher Test. |
≥ 65 years | 22 (91.7%) | 2 (8.3%) | ||
Diabetes | No | 45 (81.8%) | 10 (18.2%) | 0.50* * Chi-square test. |
Yes | 51 (86.4%) | 8 (13.6%) | ||
Obesity | No | 91 (85.0%) | 16 (15.0%) | 0.31** ** Fisher Test. |
Yes | 5 (71.4%) | 2 (28.6%) | ||
Central catheter | No | 82 (83.7%) | 16 (16.3%) | 0.70** ** Fisher Test. |
Yes | 14 (87.5%) | 2 (12.5%) | ||
Previous AVF | No | 63 (79.7%) | 16 (20.3%) | 0.06** ** Fisher Test. |
Yes | 33 (94.3%) | 2 (5.7%) |
Doppler Ultrasound | MEAN | SD | |
---|---|---|---|
Cephalic vein (n=78) | Diameter (cm) | 0.37 | 0.08 |
Depth (cm) | 0.19 | 0.09 | |
Basilic vein (n=23) | Diameter (cm) | 0.40 | 0.11 |
Depth (cm) | 0.64 | 0.31 | |
Axillary vein (n=13) | Diameter (cm) | 0.69 | 0.14 |
Radial artery (n=29) | Diameter (cm) | 0.23 | 0.03 |
PSV (cm/sec) | 52.93 | 17.50 | |
Brachial artery (n=85) | Diameter (cm) | 0.39 | 0.09 |
PSV (cm/sec) | 68.00 | 21.27 |
Days hospitalized (Mean ± Standard Deviation) | p * * Nonparametric Wilcoxon-Mann-Whitney U test. | ||
---|---|---|---|
Group | Clinical (n=114) | 8.91±13.40 | 0.052 |
Clinical (n=114) | 10.98±14.34 | ||
Failures | Yes (n=53) | 9.34±13.58 | 0.29 |
No (n=175) | 11.94±14.80 |