Investigations during hospitalisation (stroke/TIA vs no stroke/TIA)
| Variable | No stroke/TIA N=4601 (91.9%) | Stroke/TIA N=404 (8.1%) | p Value |
|---|---|---|---|
| Pulse oximetry saturation (mean±SD) | 93±6.9 | 93±6.2 | 0.86 |
| Troponin, ng/mL | |||
| Elevated (%) | 1726 (37.5) | 176 (43.6) | |
| Normal (%) | 2453 (53.3) | 198 (49) | |
| Not performed (%) | 422 (9.2) | 30 (7.4) | 0.05 |
| First BNP or NT-Pro BNP, pg/mL | 780 (17) | 70 (17.3) | 0.85 |
| HbA1c (mean±SD) (%) | 7.2±2.2 | 7.6±2.0 | 0.03 |
| Total cholesterol (mean±SD) mmol/L | 4.8±2.3 | 4.5±2.2 | 0.02 |
| First haemoglobin (mean±SD) g/dL | 12.7±2.4 | 11.9±2.3 | 0.001 |
| First WCC (mean±SD) cells/mL | 10.4±8 | 10±7 | 0.89 |
| First urea (mean±SD) mmol/L | 11±8.4 | 12.8±9 | 0.002 |
| First creatinine (mean±SD) mmol/L | 129±117 | 146±111 | 0.003 |
| E-GFR (mean±SD) mL/min | 69±35.7 | 58±36.6 | 0.001 |
| First serum potassium (mean±SD) mmol/L | 4.3±0.7 | 4.3±0.69 | 0.06 |
| First ALT (mean±SD) mmol/L | 94±218 | 71±192 | 0.02 |
| ECG rhythm | |||
| Sinus (%) | 3803 (83.2) | 288 (71.8) | 0.01 |
| AF/flutter (%) | 579 (12.7) | 100 (24.9) | 0.001 |
| Paced (%) | 69 (1.5) | 10 (2.5) | 0.13 |
| Others (%) | 62 (1.4) | 1 (0.2) | 0.05 |
| LVH (%) | 1377 (29.9) | 144 (35.6) | 0.02 |
| STEMI (%) | 495 (10.8) | 31 (7.7) | 0.05 |
| AF | 509 (11.1) | 98 (24.3) | 0.001 |
| CHB | 56 (1.2) | 2 (0.5) | 0.20 |
| Pathological Q waves (old MI) | 1072 (23.3) | 106 (16.2) | 0.18 |
| QRS duration ≥0.12 ms | – | ||
| LBBB | 596 (13) | 61 (15.1) | 0.22 |
| RBBB | 203 (4.4) | 19 (4.7) | 0.79 |
| IVCD | 142 (3.1) | 17 (4.2) | 0.22 |
| Echocardiography (available) (%) | 4207 (91.4) | 370 (91.6) | 0.92 |
| Left atrial enlargement (yes) (%) | 2658 (63.2) | 239 (64.6) | 0.59 |
| LVEF (mean±SD) | 37±14 | 36.5±13 | 0.57 |
| EF≤35% | 1847 (43.9) | 165 (44.6) | 0.80 |
| EF>35% | 2360 (56.1) | 205 (55.4) | 0.80 |
| Concentric LVH | 1129 (26.8) | 121 (32.7) | 0.02 |
| Moderate-to-severe valve disease | |||
| MS | 127 (2.8) | 8 (2) | 0.35 |
| MR | 1400 (30.4) | 91 (22.5) | 0.001 |
| AS | 115 (2.5) | 8 (2.0) | 0.52 |
| AR | 177 (3.8) | 12 (3.0) | 0.38 |
| TR | 646 (14) | 49 (12.1) | 0.29 |
| PA systolic pressure (mean±SD) | 55.7±16 | 53±11 | 0.03 |
| Coronary angiogram (within 1 year) (%) | 1017 (22.1) | 74 (18.3) | 0.08 |
| SVD | 183 (4) | 10 (2.5) | 0.13 |
| DVD | 204 (4.4) | 10 (2.5) | 0.06 |
| TVD | 313 (6.8) | 30 (7.4) | 0.64 |
| LMSD | 16 (0.3) | 0 (0) | 0.24 |
| Blocked stent/graft | 23 (0.5) | 6 (1.5) | 0.01 |
AF, atrial fibrillation; ALT, alanine transaminase; AR, aortic regurgitation; AS, aortic stenosis; BNP, brain natriuretic peptide; CHB, complete heart block; DVD, double vessel disease; EF, ejection fraction; GFR, glomerular filtration rate; HbA1c, glycated haemoglobin; IVCD, intra-ventricular conduction delay; LBBB, left bundle branch block; LMSD, left main disease; LVH, left ventricular hypertrophy; LVEF, left ventricular ejection fraction; MI, myocardial infarction; MR, mitral regurgitation; MS, mitral stenosis; NT-Pro BNP, N-terminal Pro brain natriuretic peptide; PA, pulmonary artery; RBBB, right bundle branch block; STEMI, ST elevation myocardial infarction; SVD, single vessel disease; TIA, transient ischaemic attack; TR, tricuspid regurgitation; TVD, tripe vessel disease, WCC, white cell count.