Comparison of the patients who died within 30 days of hospital admission and patients who survived
| Died within 30 days | Alive after 30 days | ||
|---|---|---|---|
| Variable | n=17 | n=165 | p Value |
| NT-ProBNP level | 2700 [10 435] | 1230 [2736] | 0.01 |
| Men | 9 (53) | 50 (30) | 0.058 |
| Age (years) | 84.7±6.3 | 80.8±11.4 | 0.17 |
| History of any cardiovascular disease | 15 (88) | 115 (70) | 0.11 |
| History of heart failure | 2 (12) | 24 (15) | 0.76 |
| Coronary artery disease | 5 (29) | 51 (31) | 0.90 |
| Prior myocardial infarction | 3 (18) | 15 (9) | 0.31 |
| Prior coronary revascularisation | 2 (12) | 12 (7) | 0.51 |
| Hypertension | 10 (59) | 81 (49) | 0.45 |
| Diabetes mellitus | 6 (35) | 26 (16) | 0.04 |
| Atrial fibrillation | 6 (35) | 33 (20) | 0.14 |
| Renal failure | 2 (12) | 8 (5) | 0.23 |
| Dementia | 9 (53) | 64 (39) | 0.26 |
| Prior TIA or stroke | 2 (12) | 28 (17) | 0.58 |
| Preoperative ASA score | 3.4±0.5 | 3.3±0.6 | 0.25 |
| RCRI | 0.8±1.0 | 0.7±0.9 | 0.83 |
| Perioperative troponin T elevation | 11 (65) | 55 (33) | 0.01 |
Data are presented as median (IQR), count (%) or mean±SD.
ASA class, American Society of Anesthesiologists’ physical status classification; NT-proBNP, N-terminal fragment of pro-B-type natriuretic peptide; RCRI, Revised Cardiac Risk Index, Lee's score; TIA, transient ischaemic attack.