Table 1.
Patient characteristics by procedure type.
| Characteristic | Total (n =3 150) | Aortic (n = 403) | Carotid (n = 289) | Lower limb revascularisation (n = 1 380) | Amputation (n = 609) | Vascular Access (n = 258) |
|---|---|---|---|---|---|---|
| Age – years | 68 (59, 76) | 74 (68, 80) | 72 (65, 78) | 69 (61, 77) | 65 (57, 73) | 60 (48, 70) |
| Male sex | 2 315 (73.5) | 345 (85.6) | 210 (72.7) | 1 010 (73.2) | 468 (76.8) | 150 (58.1) |
| Comorbidities | ||||||
| Diabetes – type 1 or 2 | 1 485 (47.1) | 80 (19.9) | 86 (29.8) | 649 (47) | 491 (80.6) | 130 (50.4) |
| Hypertension | 2 019 (67.0) | 284 (70.5) | 232 (80.3) | 921 (66.7) | 382 (62.7) | 186 (72.1) |
| COPD | 459 (14.6) | 78 (19.4) | 39 (13.5) | 226 (16.4) | 84 (13.8) | 10 (3.9) |
| Myocardial infarction | 702 (22.3) | 112 (27.8) | 60 (20.8) | 329 (23.8) | 141 (23.2) | 35 (13.6) |
| Chronic kidney disease | 645 (20.5) | 58 (14.4) | 21 (7.3) | 218 (15.8) | 146 (24) | 168 (65.1) |
| Renal replacement/dialysis | 299 (9.5) | 8 (2) | 1 (0.3) | 59 (4.3) | 45 (7.4) | 176 (68.2) |
| Stroke/TIA | 413 (13.1) | 37 (9.2) | 130 (45) | 140 (10.1) | 75 (12.3) | 15 (5.8) |
| Cancer | 192 (6.1) | 40 (9.9) | 15 (5.2) | 84 (6.1) | 33 (5.4) | 7 (2.7) |
| Dementia | 72 (2.3) | 12 (3) | 12 (4.2) | 24 (1.7) | 19 (3.1) | 3 (1.2) |
| Peripheral artery disease | 1 205 (38.3) | 55 (13.6) | 40 (13.8) | 788 (57.1) | 261 (42.9) | 26 (10.1) |
| Current smoker | 562 (17.8) | 71 (17.6) | 58 (20.1) | 298 (21.6) | 98 (16.1) | 11 (4.3) |
| ASA grade (8 missing) | ||||||
| 1–2 | 572 (18.2) | 74 (18.5) | 72 (24.9) | 242 (17.6) | 83 (13.7) | 31 (12.0) |
| 3–5 | 2 570 (81.8) | 327 (81.5) | 217 (75.1) | 1 135 (82.4) | 524 (86.3) | 227 (88.0) |
| Frailty (84 missing) | ||||||
| Not frail (score 1–3) | 1 527 (49.8) | 271 (68.6) | 197 (69.1) | 605 (45.2) | 201 (34.1) | 124 (49.2) |
| Moderate (score 4–6) | 1 399 (45.6) | 118 (29.9) | 85 (29.8) | 684 (51.1) | 327 (55.5) | 123 (48.8) |
| Severe (score 7–9) | 140 (4.6) | 6 (1.5) | 3 (1.1) | 50 (3.7) | 61 (10.4) | 5 (2.0) |
| COVID-19 disease | ||||||
| Confirmed | 52 (1.7) | 1 (0.2) | 4 (1.4) | 16 (1.2) | 17 (2.8) | 0 (0.0) |
| Suspected | 67 (2.1) | 5 (1.2) | 8 (2.8) | 13 (0.9) | 18 (3.0) | 7 (2.7) |
| Urgency of surgery (18 missing) | ||||||
| Elective | 981 (31.3) | 197 (49.4) | 105 (37.4) | 395 (28.6) | 65 (10.8) | 160 (62.0) |
| Expedited | 1 342 (42.9) | 105 (26.3) | 143 (50.9) | 656 (47.6) | 325 (53.8) | 60 (23.3) |
| Urgent | 646 (20.6) | 52 (13) | 31 (11) | 259 (18.8) | 191 (31.6) | 37 (14.3) |
| Immediate | 163 (5.2) | 45 (11.3) | 2 (0.7) | 69 (5.0) | 23 (3.8) | 1 (0.4) |
Data are presented as n (%) or median (IQR).
Abbreviations: COPD, chronic obstructive pulmonary disease; TIA, transient ischaemic attack; ASA, American Society of Anesthesiologists.