Table 2.
Disease Characteristics of Patients Who Underwent Atherectomy, Stent, or PTA
| Characteristic | PTA, n=6718 | Stent, n=8229 | Atherectomy, n=1891 | P Value |
|---|---|---|---|---|
| Ambulatory status | ||||
| Ambulatory | 4355 (64.8) | 6292 (76.4) | 1327 (70.2) | <0.001 |
| Ambulatory w/assistance | 1646 (24.5) | 1458 (17.7) | 360 (19.0) | <0.001 |
| Wheelchair | 615 (9.2) | 421 (5.1) | 188 (9.9) | <0.001 |
| Bedridden | 102 (1.5) | 58 (0.8) | 16 (0.9) | <0.001 |
| ASA class | ||||
| 1, normal/healthy | 78 (1.2) | 121 (1.5) | 17 (0.9) | 0.072 |
| 2, mild systemic disease | 1134 (16.9) | 1745 (21.2) | 340 (18.0) | <0.001 |
| 3, severe systemic disease | 4352 (64.8) | 5329 (64.8) | 1177 (62.2) | 0.096 |
| 4/5, disease is threat to life/moribund | 813 (12.1) | 745 (9.0) | 253 (13.4) | <0.001 |
| Urgency | ||||
| Elective | 5502 (81.9) | 7256 (88.2) | 1588 (84.0) | <0.001 |
| Urgent/emergent | 1216 (18.0) | 973 (11.8) | 303 (16.0) | <0.001 |
| Limb indication | ||||
| Claudication | 2286 (34.0) | 4608 (56.0) | 806 (42.6) | <0.001 |
| Rest pain | 927 (13.8) | 1291 (15.8) | 274 (14.4) | 0.003 |
| Tissue loss | 3505 (52.2) | 2322 (28.2) | 811 (42.9) | <0.001 |
| Number of arteries treated | ||||
| 1 | 1716 (25.5) | 2876 (34.9) | 519 (27.4) | <0.001 |
| 2 | 2593 (38.6) | 3190 (38.8) | 646 (34.2) | <0.001 |
| ≥3 | 2409 (35.9) | 2163 (26.3) | 726 (38.4) | <0.001 |
| Artery treated | ||||
| Iliac | 742 (11.0) | 4372 (53.1) | 27 (1.4) | <0.001 |
| Femoropopliteal | 3305 (49.1) | 3555 (43.2) | 1237 (65.4) | <0.001 |
| Tibial | 2671 (39.8) | 302 (3.7) | 627 (33.2) | <0.001 |
| TASC score‡ | ||||
| A | 2131 (31.7) | 2689 (32.7) | 439 (23.1) | <0.001 |
| B | 1303 (19.4) | 1952 (23.7) | 462 (24.4) | <0.001 |
| C | 1010 (15.0) | 1366 (16.6) | 373 (19.7) | <0.001 |
| D | 1095 (16.3) | 1044 (12.7) | 336 (17.8) | <0.001 |
| Occlusion length,‡ cm, median (IQR) | 1 (0–4) | 2 (0–6) | 2 (0–8) | <0.001 |
ASA indicates Association of Anesthesiologists; IQR, interquartile range; PTA, percutaneous transluminal angioplasty; TASC, Trans‐Atlantic Inter‐Society Consensus Document on Management of Peripheral Arterial Disease.