Table 1.
Baseline characteristics of the study participants
| Characteristic | All | AVF-first | AVG-first |
|---|---|---|---|
| Total participants (n) | 44 | 21 | 23 |
| Age (years) | 76.3 (70.8, 81.8) | 78.9 (70.7, 81.1) | 72.8 (71.1, 82.0) |
| Sex, female, n (%) | 17 (38.6) | 6 (28.6) | 11 (47.8) |
| Race or ethnic group, n (%) | |||
| Black | 14 (31.8) | 7 (33.3) | 7 (30.4) |
| White | 30 (68.2) | 14 (66.7) | 16 (69.6) |
| Body-mass index | 27.9 (24.7, 33.7) | 25.5 (23.6, 28.4) | 30.9 (26.7, 35.6) |
| Kidney disease status, n (%) | |||
| CKD | 11 (25.0) | 7 (33.3) | 4 (17.4) |
| ESKD | 33 (75.0) | 14 (66.7) | 19 (82.6) |
| Coexisting medical conditions, n (%) | |||
| Diabetes and complications of diabetes | 31 (70.5) | 16 (76.2) | 15 (65.2) |
| Hypertension | 39 (88.6) | 19 (90.5) | 20 (87.0) |
| Myocardial infarction | 7 (15.9) | 2 (9.5) | 3 (13.0) |
| Heart failure | 10 (22.7) | 6 (28.6) | 4 (17.4) |
| Peripheral arterial disease | 9 (20.5) | 6 (28.6) | 3 (17.4) |
| Stroke | 12 (27.3) | 5 (23.8) | 7 (30.4) |
| History of tumor without metastases | 11 (25.0) | 5 (23.8) | 6 (26.1) |
| Chronic pulmonary disease | 6 (13.6) | 4 (19.0) | 2 (8.7) |
| Moderate or severe liver disease | 2 (4.5) | 1 (4.8) | 1 (4.3) |
| Dementia | 4 (9.1) | 3 (14.3) | 1 (4.3) |
Baseline data were collected at the time of patient enrollment. Data are presented as number of participants (percentage) or median (1st, 3rd quartile). Race or ethnic group was self-reported. The body-mass index is the weight in kilograms divided by the square of the height in meters. AVF arteriovenous fistula; AVG arteriovenous graft; CKD chronic kidney disease; ESKD end-stage kidney disease