Baseline patient characteristics by type of procedure for aortic stenosis (2016–2019)
| Baseline characteristic | Total N=10 602 | TAVR N=5025 | SAVR N=5577 | P value |
| Demographic characteristics | ||||
| Age (mean±SD) | 75.70 ± 10.10 | 81.57 ± 7.43 | 70.40 ± 9.22 | <0.001 |
| Sex (% female) | 3972 (37.5) | 2172 (43.2) | 1800 (32.3) | <0.001 |
| Rural residence, N (%) | 1571 (14.8) | 568 (11.3) | 1003 (18.0) | <0.001 |
| Income quintile, N (%) | 0.003 | |||
| 1 | 2031 (19.2) | 1011 (20.1) | 1020 (18.3) | |
| 2 | 2262 (21.3) | 1101 (21.9) | 1161 (20.8) | |
| 3 | 2109 (19.9) | 1018 (20.3) | 1091 (19.6) | |
| 4 | 2043 (19.3) | 898 (17.9) | 1145 (20.5) | |
| 5 | 2127 (20.1) | 984 (19.6) | 1143 (20.5) | |
| Medical comorbidities, N (%) | ||||
| Congestive heart failure | 5167 (48.7) | 3319 (66.0) | 1848 (33.1) | <0.001 |
| Cardiac arrhythmia | 1986 (18.7) | 1298 (25.8) | 688 (12.3) | <0.001 |
| Peripheral vascular disease | 313 (3.0) | 217 (4.3) | 96 (1.7) | <0.001 |
| Cerebrovascular disease | 357 (3.4) | 218 (4.3) | 139 (2.5) | <0.001 |
| COPD | 3067 (28.9) | 1752 (34.9) | 1315 (23.6) | <0.001 |
| Dementia | 435 (4.1) | 347 (6.9) | 88 (1.6) | <0.001 |
| Cancer | 631 (6.0) | 379 (7.5) | 252 (4.5) | <0.001 |
| Dialysis | 268 (2.5) | 167 (3.3) | 101 (1.8) | <0.001 |
| Interstitial lung disease | 92 (0.9) | 64 (1.3) | 28 (0.5) | <0.001 |
| Liver disease | 167 (1.6) | 101 (2.0) | 66 (1.2) | <0.001 |
| Renal disease | 534 (5.0) | 393 (7.8) | 141 (2.5) | <0.001 |
| Diabetes | 4465 (42.1) | 2201 (43.8) | 2264 (40.6) | <0.001 |
| Hypertension | 9312 (87.8) | 4693 (93.4) | 4619 (82.8) | <0.001 |
| Dyslipidaemia | 6056 (57.1) | 3177 (63.2) | 2879 (51.6) | <0.001 |
| Frailty | 2.02 ± 3.71 | 2.90 ± 4.51 | 1.23 ± 2.56 | <0.001 |
| Prior cardiac procedure, N (%) | ||||
| CABG | 899 (8.5) | 796 (15.8) | 103 (1.8) | <0.001 |
| PCI | 2347 (22.1) | 1625 (32.3) | 722 (12.9) | <0.001 |
| Valve surgery | 716 (6.8) | 542 (10.8) | 174 (3.1) | <0.001 |
| Pacemaker (includes CRT-P) | 591 (5.6) | 473 (9.4) | 118 (2.1) | <0.001 |
| ICD (includes CRT-D) | 99 (0.9) | 77 (1.5) | 22 (0.4) | <0.001 |
| Prior stroke | 191 (1.8) | 115 (2.3) | 76 (1.4) | <0.001 |
| Hospital factors, N (%) | ||||
| Total acute care hospital beds (mean±SD) | 455.64 ± 222.32 | 472.33 ± 213.79 | 440.59 ± 228.71 | <0.001 |
| Total no of procedures (mean±SD) | 581.31 ± 180.81 | 569.77 ± 175.81 | 575.84 ± 178.54 | <0.001 |
| Teaching hospital | 8303 (78.3) | 4212 (83.8) | 4091 (73.4) | <0.001 |
| Status of procedure, N (%) | ||||
| Urgent | 1766 (16.7) | 739 (14.7) | 1027 (18.4) | <0.001 |
| Elective | 8836 (83.3) | 4286 (85.3) | 4550 (81.6) | <0.001 |
CABG, coronary artery bypass graft; COPD, chronic obstructive pulmonary disease; CRT-D, cardiac resynchronisation therapy defibrillator; CRT-P, cardiac resynchronisation therapy pacemaker; ICD, implantable cardioverter-defibrillator; PCI, percutaneous coronary intervention; SAVR, surgical aortic valve replacement; TAVR, transcatheter aortic valve replacement; TIA, transient ischaemic attack.