Table 1.
Comparison of patients with AVFs included in and excluded from the study
| Variable | Study Patients | Excluded Patients | P Value |
|---|---|---|---|
| No. of AVFs | 246a | 166 | |
| Age in yr, mean±SD | 53±14 | 51±15 | 0.11 |
| Men, n (%) | 153 (62) | 107 (64) | 0.64 |
| Black, n (%) | 202 (82) | 124 (75) | 0.07 |
| Comorbidities, n (%) | |||
| Hypertension | 234 (95) | 152 (92) | 0.14 |
| Diabetes | 139 (56) | 65 (39) | <0.001 |
| Coronary artery disease | 69 (28) | 24 (14) | 0.001 |
| Peripheral vascular disease | 38 (15) | 10 (6) | 0.004 |
| Cerebrovascular disease | 51 (21) | 22 (13) | 0.05 |
| Heart failure | 85 (34) | 29 (17) | <0.001 |
| Obesity, BMI≥30 kg/m2 | 114 (46) | 66 (40) | 0.19 |
| AVF location, upper arm | 155 (63) | 118 (71) | 0.09 |
| Antiplatelet agent | 117 (48) | 62 (37) | 0.04 |
AVF, arteriovenous fistula; BMI, body mass index.
a
In 223 patients.