| | Asymptomatic volunteers (control group) | Patients with ESUS (study group) | Significance (р) |
| | Сonduction disturbance (bundle branch blocks, ECG) (n (%)) | 3 (6.5%), N = 46 | 25 (23.8%), N = 105 | 0.012 | | Heart rate (bpm) (ECG) (mean ± SD) | 63.65 ± 10.5, N = 46 | 68.73 ± 12, N = 105 | 0.014 | | Left atrium enlargement (echocardiography) (n (%)) | 9 (22.0%), N = 41 | 45 (47.9%), N = 94 | 0.005 | | Right atrium enlargement (echocardiography) (n (%)) | 4 (10.0%), N = 40 | 32 (34.4%), N = 93 | 0.003 | | Left ventricular hypertrophy, all subtypes (echocardiography) (n (%)) | 8 (21.1%), N = 38 | 38 (60.3%), N = 63 | <0.0005 | | Eccentric left ventricular hypertrophy (echocardiography) (n (%)) | 1 (12.5%), N = 8 | 2 (5.3%), N = 38 | 0.444 | | Pulmonary arterial systolic pressure (mm Hg) (echocardiography) (mean ± SD) | 25.83 ± 5.21, N = 41 | 28.88 ± 6.59, N = 94 | 0.002 | | Left ventricle end-diastolic volume (ml) (echocardiography) (mean ± SD) | 101 ± 17, N = 41 | 103 ± 23, N = 94 | 0.606 | | Left ventricle ejection fraction (%) (echocardiography) (mean ± SD) | 63 ± 5, N = 41 | 64 ± 6, N = 94 | 0.363 | | Left ventricle end-systolic length (mm) (echocardiography) (mean ± SD) | 28.98 ± 3.43, N = 41 | 30.73 ± 3.30, N = 94 | 0.018 | | Subcortical microbleeds absence (MRI) | 45 (95,7%), N = 47 | 81 (72.3%), N = 112 | 0.006 | | Deep microbleeds absence (MRI) | 42 (89.4%), N = 47 | 81 (72.3%), N = 112 | 0.101 | | Periventricular white matter lesions absence (MRI, Fazekas score 0) | 30 (63.8%), N = 47 | 48 (42.9%), N = 112 | 0.088 | | Width of the third ventricle (MRI, mm) | 5.02 ± 2.07, N = 47 | 7.57 ± 2.54, N = 112 | <0.0005 | | Central atrophy signs absence (MRI) | 39 (83.0%), N = 47 | 64 (57.1%), N = 112 | 0.041 | | Right medial temporal lobe atrophy (MRI, MTA score 0) | 29 (61.7%), N = 47 | 40 (35.7%), N = 112 | 0.028 | | Left medial temporal lobe atrophy (MRI, MTA score 0) | 29 (61.7%), N = 47 | 48 (42.9%), N = 112 | 0.049 |
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