Table 1 Demographic, clinical and baseline CMR details of the nQRS and LBBB-T groups
|  | nQRS (n = 24) | LBBB-T (n = 24) | P value |
|---|---|---|---|
Demographic details | |||
 Age, years | 80.5 ± 6.2 | 79.6 ± 9.6 | 0.670 |
 Gender, male | 13 (54) | 13 (54) | 1 |
 Body surface area, m2 | 1.82 ± 0.29 | 1.86 ± 0.19 | 0.332 |
Clinical details | |||
 STS PROM, % | 4.5 ± 2.4 | 5.1 ± 2.8 | 0.397 |
 STS Morbidity/mortality, % | 21.7 ± 7.5 | 24.5 ± 8.8 | 0.452 |
 Systolic blood pressure, mmHg | 134 ± 25.9 | 138 ± 18 | 0.558 |
 Hypertension | 12 (57.1) | 9 (37.5) | 0.383 |
 Cerebrovascular disease | 4 (16.7) | 4 (16.7) | 1 |
 Previous myocardial infarction | 5 (20.8) | 2 (8.3) | 0.220 |
 Chronic obstructive pulmonary disease | 6 (25) | 5 (20.8) | 0.731 |
 Peripheral vascular disease | 6 (25) | 7 (29.2) | 0.745 |
 Diabetes mellitus | 4 (16.7) | 8 (33.3) | 0.182 |
 Any epicardial coronary stenosis >50% | 9 (37.5) | 13 (54.2) | 0.247 |
Procedural details | |||
 Medtronic CoreValve | 17 (71) | 17 (71) | 1 |
 Pre-implant valvuloplasty | 22 (92) | 21 (88) | 0.637 |
 Post-implant valvuloplasty | 6 (25) | 6 (25) | 1 |
 Femoral access site | 20 (83) | 23 (96) | 0.331 |
CMR data | |||
 Fibrosis mass, g | 3.3 ± 5.7 | 1.6 ± 3.8 | 0.081 |