Demographic features of patients with middle cerebral artery occlusions
| Variable | AS-MCA (n = 76) | p Value | PSCE-MCA (n = 31) | p Value | PSCE without MCA (n = 30) |
|---|---|---|---|---|---|
| Values are n (%) or *mean (SD). | |||||
| AS-MCA, atherosclerotic middle cerebral artery disease; HDL, high density lipoprotein cholesterol; LDL, low density lipoprotein cholesterol; MCA, middle cerebral artery disease; NIHSS, National Institutes of Health stroke scale; Partial, partial anterior circulation infarct; PCV, packed cell volume; PSCE-MCA, middle cerebral artery disease with potential source of cardioembolism; TG, triglycerides; Total, total anterior circulation infarct. | |||||
| †Mann–Whitney test, ‡Pearson χ2 test, §Fischer’s exact test. | |||||
| Male sex | 39 (52.0) | NS | 18 (58.1) | NS | 16 (53.3) |
| Age (years)* | 58 (13) | 0.006† | 66 (14) | NS | 64 (11) |
| Risk factors | |||||
| Hypertension | 51 (61.8) | 0.024‡ | 13 (43.3) | NS | 12 (40.0) |
| Diabetes | 25 (33.3) | 0.038§ | 4 (13.3) | NS | 5 (16.7) |
| Smoking | 23 (35.9) | NS | 9 (30.0) | NS | 10 (33.3) |
| Blood glucose (mmol/l)* | 8.73 (4.28) | NS | 8.51 (3.42) | NS | 8.73 (3.33) |
| Total serum cholesterol (mmol/l)* | 4.88 (1.10) | NS | 4.61 (1.07) | NS | 5.07 (1.48) |
| LDL (mmol/l)* | 2.86 (0.92) | NS | 2.93 (0.87) | NS | 2.62 (0.99) |
| HDL (mg/dl)* | 1.19 (0.29) | NS | 1.24 (0.24 | NS | 1.28 (0.33) |
| TG (mg/dl)* | 2.00 (1.92) | 0.002† | 1.15 (0.55) | NS | 1.28 (0.47) |
| PCV (%)* | 39.8 (6.7) | NS | 40.3 (5.8) | NS | 41.6 (6.1) |
| Stroke syndrome | |||||
| Lacuna | 31 (48.4) | 0.012‡ | 6 (20.0) | NS | 2 (6.7) |
| Partial | 25 (39.1) | 0.004§ | 3 (10.0) | <0.001§ | 22 (73.3) |
| Total | 8 (12.5) | <0.001‡ | 21 (70.0) | <0.001§ | 5 (16.7) |
| Initial NIHSS score* | 4.6 (3.9) | <0.001† | 9.7 (4.7) | <0.001† | 5.2 (3.6) |
| Time from onset to hospital (h)* | 35 (40) | 0.002† | 14 (19) | NS | 23 (32) |
| Abrupt onset | 37 (48.7) | 0.001‡ | 26 (83.8) | NS | 26 (86.6) |
| Site of MCA lesion | 0.008‡ | ||||
| Proximal | 59 (77.6) | 16 (51.6) | – | – | |
| Distal | 17 (22.4) | 15 (48.4) | – | – | |
| Degree of stenosis | |||||
| Low degree | 19 (25.0) | NS | 6 (19.4) | – | – |
| High degree | 32 (32.1) | NS | 6 (19.4) | – | – |
| Occlusion | 25 (32.9) | 0.007‡ | 19 (61.2) | – | – |