Table 1. The basic characteristics of occlusive and stenotic group .
| Variable | Occlusive group (n = 26) | Stenotic group (n = 34) | p value |
| Age (yrs) | 61.7 ± 12.4 | 61.3 ± 10.0 | 0.92 |
| Men | 11 (42.3%) | 14 (41.2%) | 0.89 |
| Hypertension | 19 (73.1%) | 29 (85.3%) | 0.29 |
| Diabetes mellitus | 10 (38.5%) | 20 (58.8%) | 0.24 |
| Dyslipidemia | 4 (15.4%) | 6 (17.6%) | 0.74 |
| Smoking | 7 (26.9%) | 7 (20.6%) | 0.65 |
| Average PTA times in the past | 1.3 ± 1.5 | 2.9 ± 3.1 | 0.06 |
| Systolic blood pressure (mmHg) | 150 ± 14.9 | 148.0 ± 20.0 | 0.70 |
| Diastolic blood pressure (mmHg) | 76.3 ± 18.6 | 77.7 ± 13.6 | 0.78 |
| Hemodialysis duration (months) | 46.7 ± 43.9 | 68.5 ± 52.9 | 0.18 |
| Contrast volume used (ml) | 111.3 ± 63.1 | 98.6 ± 29.6 | 0.23 |
Values are means ± standard deviations, numbers of patients (percentages). PTA, percutaneous transluminal angioplasty.