Table 1.
Baseline characteristics of the HFM Study Cohort and subgroups with full cross-sections, partial cross-sections, and no vein specimen available
| Factor | All Study Participants (n=602) | Participants with Full Cross-Section (n=371) | Participants with Partial Cross-Section (n=183) | Participants without Vein Specimen (n=48) |
|---|---|---|---|---|
| Age at time of surgery, years | 55.2±13.4 | 55.6±13.8 | 54.7±13.1 | 53.1±11.2 |
| Female | 179 (29.7) | 112 (30.2) | 53 (29.0) | 14 (29.2) |
| Blacka | 264 (44.4) | 155 (42.5) | 85 (47.0) | 24 (50.0) |
| Years of prior dialysis (hemo or peritoneal) | 0.96±2.20 | 0.94±2.23 | 1.13±2.34 | 0.46±1.17 |
| Diabetes prevalence | 353 (58.6) | 223 (60.1) | 105 (57.4) | 25 (52.1) |
| Cardiovascular diseaseb | 315 (52.3) | 202 (54.5) | 93 (50.8) | 20 (41.7) |
| Coronary artery diseasec | 156 (25.9) | 106 (28.6) | 43 (23.5) | 7 (14.6) |
| Cerebrovascular diseased | 88 (14.6) | 54 (14.6) | 24 (13.1) | 10 (20.8) |
| Venous thromboembolic diseasee | 37 (6.1) | 23 (6.2) | 11 (6.0) | 3 (6.3) |
| Peripheral arterial diseasef | 91 (15.1) | 54 (14.6) | 32 (17.5) | 5 (10.4) |
| Body mass index, kg/m2 | 30.38±7.57 | 30.44±7.84 | 30.24±7.13 | 30.51±7.09 |
| Tobacco use (current, former)a | 325 (54.4) | 212 (57.5) | 92 (50.5) | 21 (45.7) |
| On dialysis (HD or PD) at time of surgery | 387 (64.3) | 235 (63.3) | 125 (68.3) | 27 (56.3) |
| Fistula location: upper arm | 459 (76.2) | 281 (75.7) | 146 (79.8) | 32 (66.7) |
| Draining vein | ||||
| Basilic vein | 172 (28.6) | 130 (35.0) | 32 (17.5) | 10 (20.8) |
| Cephalic vein | 418 (69.4) | 236 (63.6) | 145 (79.2) | 37 (77.1) |
| Brachial vein | 12 (2.0) | 5 (1.3) | 6 (3.3) | 1 (2.1) |
Data are displayed as count (%) or, for quantitative variables, mean ± SD. HD, hemodialysis; PD, peritoneal dialysis.
Race is not reported for eight participants. Tobacco use is not reported for five participants. Percent is calculated out of available data.
History of any of the following: myocardial infarction, angina, coronary artery bypass surgery or angioplasty, congestive heart failure, cardiac arrhythmias or conduction problems, stroke, transient ischemic attack, carotid endarterectomy, carotid artery angioplasty, claudication, lower extremity arterial bypass surgery or angioplasty, and nontraumatic amputation.
History of any of the following: angina, coronary artery angioplasty or bypass, or myocardial infarction.
History of any of the following: stroke, transient ischemic attack, carotid endarterectomy, or carotid angioplasty.
History of any of the following: deep venous thrombosis, or pulmonary embolism.
History of any of the following: claudication, lower extremity angioplasty or bypass surgery, or nontraumatic amputation.