Table I:
Characteristics of patients that underwent attempted endovascular intervention are shown.
| Technical Failure | Technical Success | ||
|---|---|---|---|
| Patient Characteristics | N=31 | N=181 | p-value |
| Age | 72.5 ± 12.7 | 64.7 ± 11.1 | <0.001* |
| Male Sex | 27 (87.1%) | 108 (59.7%) | 0.003* |
| Ethnicity | 0.939 | ||
| White | 19 (61.3%) | 105 (58.3%) | |
| Black | 12 (38.7%) | 73 (40.6%) | |
| OtherΔ | 0 (0%) | 2 (1.2%) | |
| Current Tobacco Use or Quit <10 years ago | 18 (58.1%) | 62 (34.8%) | 0.014* |
| Diabetes Mellitus (DM) | 20 (66.7%) | 114 (80.0%) | 0.102 |
| Hypertension (HTN) | 25 (89.3%) | 159 (89.8%) | 0.930 |
| Dialysis Dependent | 8 (26.7%) | 37 (21.1%) | 0.499 |
| Hyperlipidemia (HLD) | 27 (90.0%) | 155 (86.6%) | 0.607 |
| Cardiac Statusβ | 0.548 | ||
| SVS Grade 1 | 13 (41.9%) | 61 (33.9%) | |
| SVS Grade 2 | 1 (3.2%) | 14 (7.8%) | |
| SVS Grade 3 | 11 (35.5%) | 79 (43.9%) | |
| SVS Grade 4 | 6 (19.4%) | 26 (14.4%) | |
| Pulmonary Statusβ | 0.446 | ||
| SVS Grade 1 | 21 (70.0%) | 116 (64.1%) | |
| SVS Grade 2 | 1 (3.3%) | 25 (13.8%) | |
| SVS Grade 3 | 5 (16.7%) | 25 (13.8%) | |
| SVS Grade 4 | 3 (10.0%) | 15 (8.3.%) | |
| SVS WIfI | 0.969 | ||
| Stage 1 | 4 (19%) | 28 (18.3%) | |
| Stage 2 | 5 (23.8%) | 32 (20.9%) | |
| Stage 3 | 5 (23.8%) | 44 (28.8%) | |
| Stage 4 | 7 (33.3%) | 49 (32%) | |
| Level of Disease† | |||
| Aortoiliac | 3 (9.7%) | 22 (12.2%) | 0.693 |
| Femoropopliteal | 21 (67.7%) | 139 (76.8%) | 0.279 |
| Tibial | 16 (51.6%) | 77 (42.5%) | 0.347 |
| Lesion Length (cm) | 25.51 ± 14.95 | 15.35 ± 11.65 | 0.001* |
| CTO Present | 31 (100%) | 77 (42.5%) | <0.001* |
Patients with unknown characteristics were excluded from applicable denominators.
*
Statistically significant difference between groups (p<0.05).
Δ
Excluded from analysis.
β
Reported according to SVS standards.21
†
Some patients had disease at multiple levels.