Table 1.
Baseline characteristics of transplant candidates presenting with or without aorto‐iliac stenosis.
| Variable | All (n = 373) | With stenosis (n = 90) | Without stenosis (n = 283) | P‐value |
|---|---|---|---|---|
| Age, mean (SD) | 59.6 (12.6) | 63.9 (8.5) | 58.3 (13.4) | <0.001* |
| Male sex, n (%) | 252 (67.6) | 64 (71.1) | 188 (66.4) | 0.486 |
| BMI in kg/m2, mean (SD) | 26.4 (4.7) | 25.9 (4.7) | 26.5 (4.6) | 0.281 |
| Missing, n (%) | 4 (1.1) | 1 (1.1) | 3 (1.1) | |
| Smoking | ||||
| Never, n (%) | 111 (29.8) | 12 (13.3) | 99 (35.0) | <0.001* |
| Currently, n (%) | 85 (22.8) | 30 (33.3) | 55 (19.4) | |
| Quit, n (%) | 175 (46.9) | 48 (53.3) | 127 (44.9) | |
| Missing, n (%) | 2 (0.5) | 0 (0) | 2 (0.7) | |
| Diabetes mellitus, n (%) | 133 (35.7) | 36 (40.0) | 97 (34.3) | 0.389 |
| COPD, n (%) | 32 (8.6) | 11 (12.2) | 21 (8.8) | 0.457 |
| Peripheral arterial disease, n (%) | 85 (22.8) | 42 (46.7) | 43 (15.2) | <0.001* |
| Cerebrovascular disease | ||||
| None, n (%) | 316 (84.7) | 71 (78.9) | 245 (86.6) | 0.067 |
| TIA, n (%) | 20 (5.4) | 9 (10.0) | 11 (3.9) | |
| CVA, n (%) | 37 (9.9) | 10 (11.1) | 27 (9.5) | |
| Coronary artery disease, n (%) | 98 (26.3) | 35 (38.9) | 63 (22.3) | 0.003* |
| Dyslipidaemia, n (%) | 167 (44.8) | 46 (51.1) | 121 (42.8) | 0.205 |
| Hypertension, n (%) | 344 (92.2) | 83 (92.2) | 261 (92.2) | 1.00 |
| Previous transplant, n (%) | 35 (9.4) | 13 (14.4) | 22 (7.8) | 0.092 |
| Pre‐emptive transplant, n (%) | 64 (17.2) | 11 (12.2) | 53 (18.7) | 0.206 |
| Total dialysis duration, mean (SD) | 30.1 (29.8) | 29.1 (29.3) | 33.1 (31.3) | 0.278 |
| Intermittent claudication, n (%) | 47 (12.6) | 29 (32.2) | 18 (6.4) | <0.001* |
| Missing, n (%) | 156 (41.8) | 27 (30.0) | 129 (45.6) | |
| Femoral artery murmur, n (%) | 69 (18.5) | 37 (41.1) | 32 (11.3) | <0.001* |
| Missing, n (%) | 114 (30.6) | 28 (31.1) | 86 (30.4) | |
| Weak inguinal pulsations, n (%) | 55 (14.7) | 25 (27.8) | 30 (10.6) | <0.001* |
| Missing, n (%) | 44 (11.8) | 10 (11.1) | 34 (12.0) | |
| Reason for end‐stage renal disease | ||||
| ADPKD, n (%) | 43 (11.5) | 11 (12.2) | 32 (11.3) | 0.099 |
| Hypertension, n (%) | 92 (24.7) | 30 (33.3) | 62 (21.9) | |
| DM, n (%) | 87 (23.3) | 22 (24.4) | 65 (23.0) | |
| Glomerulonephritis, n (%) | 19 (5.1) | 5 (5.6) | 14 (4.9) | |
| IgA nephropathy, n (%) | 11 (2.9) | 4 (4.4) | 7 (2.5) | |
| VUR, n (%) | 11 (2.9) | 2 (2.2) | 9 (3.2) | |
| Auto‐immune, n (%) | 13 (3.5) | 0 (0.0) | 13 (4.6) | |
| Congenital, n (%) | 8 (2.1) | 0 (0.0) | 8 (2.8) | |
| Other, n (%) | 89 (23.9) | 16 (17.8) | 73 (25.8) | |
| Type of imaging | ||||
| Angiography, n (%) | 27 (7.2) | 14 (15.6) | 13 (4.6) | <0.001* |
| Contrast‐enhanced CT‐scan, n (%) | 313 (83.9) | 64 (71.1) | 249 (88.0) | |
| MRA, n (%) | 33 (8.8) | 12 (13.3) | 21 (7.4) | |
| Donor type | ||||
| Living, n (%) | 229 (61.4) | 55 (61.1) | 174 (61.5) | 0.950 |
| Deceased, n (%) | 144 (38.6) | 35 (38.9) | 109 (38.5) | |
ADPKD, autosomal dominant polycystic kidney disease; BMI, body mass index; COPD, chronic obstructive pulmonary disease; CTA, computed tomography angiography; CVA, cerebrovascular accident; DM, diabetes mellitus; MRA, magnetic resonance angiography; SD, standard deviation; TIA, transient ischaemic attack; VUR, vesicoureteral reflux.
*
Statistically significant.