Biological, imaging and electrocardiographic characteristics of patients at admission (n(%) or median (IQR))
| No atrial cardiomyopathy (n=79 (44%)) | Atrial cardiomyopathy (n=104 (56%)) | P | |
| Biological data | |||
| CRP>3, mg/mL | 23 (29.10) | 48 (46.20) | 0.019 |
| Creatinine, µmol/L | 72 (61.00–86.00) | 76.50 (63.50–91.75) | 0.174 |
| Troponin>0.02 ng/L | 3 (3.80) | 20 (19.40) | 0.002 |
| NT-pro-BNP, pg/mL | 83 (44.00–128.00) | 515.50 (252.50–1266.00) | <0.001 |
| NT-pro-BNP≥250 pg/mL | 0 (0.00) | 79 (76.00) | <0.001 |
| Hba1c, % | 5.80 (5.50–6.10) | 5.80 (5.60–6.10) | 0.350 |
| LDL cholesterol, mmol/l | 3.09 (2.41–3.86) | 2.70 (1.95–3.44) | 0.017 |
| Haemoglobin, g/dl | 14.60 (13.40–15.40) | 13.80 (12.60–14.70) | 0.006 |
| Leukocytes, g/dl | 8.00 (6.60–10.40) | 8.55 (6.83–10.50) | 0.419 |
| Platelets, g/dl | 252 (215–295) | 227 (188–282) | 0.069 |
| TSH (UI/l) | 1.56 (0.80–2.14) | 1.29 (0.77–2.05) | 0.299 |
| Imaging data | |||
| Multi-territory stroke | 6 (7.6) | 14 (13.5) | 0.208 |
| Vertebrobasilar stroke | 27 (34.2) | 35 (33.70) | 0.941 |
| Bilateral stroke | 6 (7.60) | 13 (12.50) | 0.281 |
| Insular stroke | 8 (10.10) | 23 (22.10) | 0.003 |
| Cerebellar stroke | 6 (7.60) | 13 (12.50) | 0.281 |
| Thalamic stroke | 5 (6.30) | 6 (5.80) | 0.875 |
| Anterior choroidal stroke | 5 (6.30) | 4 (3.80) | 0.503 |
| Posterior fossa stroke | 15 (19.00) | 25 (24.00) | 0.413 |
| Superficial MCA stroke | 24 (30.40) | 62 (59.60) | <0.001 |
| Deep MCA stroke | 27 (34.20) | 21 (20.20) | 0.033 |
| ACA stroke | 2 (2.50) | 7 (6.70) | 0.696 |
| Superior PCA stroke | 9 (11.40) | 10 (9.6) | 0.808 |
| Choroidal stroke | 5 (6.30) | 4 (3.80) | 0.503 |
| Mesencephalic stroke | 3 (3.80) | 2 (1.90) | 0.653 |
| Pontine stroke | 6 (7.60) | 12 (11.50) | 0.375 |
| Bulbar stroke | 2 (2.50) | 2 (1.90) | 1 |
| Other | 4 (5.10) | 0 (0.00) | 0.033 |
| ECG data | |||
| P-wave duration downwards, ms | 40 (40.00–40.00) | 60 (40.00–60.00) | <0.001 |
| P-wave duration, ms | 85 (80.00–100.00) | 90 (80.00–110.00) | 0.160 |
| P-wave maximum duration, ms | 100 (100.00–120.00) | 120 (100.00–120.00) | 0.059 |
| PTFV1, mV.ms | 0 (0–4) | 4 (0–6) | <0.001 |
| PTF≥5 mv.ms | 0 (0.00) | 47 (45.2) | <0.001 |
| PR duration, ms | 170 (149.00–186.50) | 170 (151.00–194.00) | 0.574 |
| QRS duration, ms | 90 (84.00–98.00) | 92 (82.00–107.00) | 0.286 |
| Corrected QTc duration, ms | 424.50 (411.25–443.50) | 433.00 (412.50–447.50) | 0.358 |
| Echocardiographic data | |||
| LA volume, mL | 45.00 (35.00–59.00) | 56.65 (41.07–76.32) | 0.001 |
| LAVI, mL/m² | 25.45 (18.71–31.07) | 32.02 (22.21–42.57) | <0.001 |
| LAVI>34 mL/m² | 12 (6.5) | 47 (25.7) | <0.001 |
| LA diameter, cm | 3.60 (3.20–3.90) | 3.80 (3.30–4.20) | 0.041 |
| LADI, cm/m² | 1.88 (1.69–2.05) | 2.03 (1.81–2.28) | 0.002 |
| LA surface, cm² | 16.90 (15.00–21.00) | 19.70 (16.35–25.10) | 0.001 |
| LVEF | 60 (58.00–66.00) | 60 (55.00–65.00) | 0.016 |
| PFO | 10 (12.70) | 9 (8.70) | 0.465 |
ACA, anterior cerebral artery; AF, atrial fibrillation; CRP, C reactive protein; ECG, electrocardiogram; IQR, interquartile range; LA, left atria; LADI, left atrial diameter indexed; LAVI, left atrial volume indexed; LBBB, left bundle branch block; LVEF, left ventricular ejection fraction; MCA, middle cerebral artery; NT-pro-BNP, N-Terminal pro-B-type natriuretic peptide; PCA, posterior cerebral artery; PFO, patent foramen ovale; PTF, P-wave terminal force; RBBB, right bundle branch block; SR, sinus rhythm.