Table 2.
Patient Characteristics According to the Presence of MCA Plaques
| Characteristics | Plaque (n = 15) |
Non-Plaque (n = 17) |
P value |
|---|---|---|---|
| Demographics | |||
| Age, years, mean ± SD | 63.47 ± 10.00 | 58.76 ± 12.63 | 0.257 |
| Male, n(%) | 10(66.7%) | 12(70.6%) | 0.811 |
| Atherosclerotic risk factors | |||
| Hypertension, n (%) | 12(80.0%) | 10(58.8%) | 0.197 |
| Hyperlipidemia, n (%) | 9(60.0%) | 11(64.7%) | 0.784 |
| Diabetes mellitus, n (%) | 7(46.7%) | 1(5.9%) | 0.013 |
| Hyperhomocysteinemias, n (%) | 2(13.3%) | 5(29.4%) | 0.402 |
| Previous history of stroke, n (%) | 2(13.3%) | 1(5.9%) | 0.589 |
| Tobacco consumption, n (%) | 3(20.0%) | 7(41.2%) | 0.197 |
| Imaging features | |||
| Lesion length, cm (mean ± SD) | 1.95 ± 0.86 | 1.38 ± 0.55 | 0.031 |
| Number of lesion slices (median[IQR]) | 3.0(3.0–5.0) | 2.0(2.0–3.5) | 0.132 |
| Number of lesion slices ≧ 3, n (%) | 12(80.0%) | 8(47.1%) | 0.055 |
| Lesion volume, cm3 (mean ± SD) | 2.95 ± 3.94 | 0.90 ± 0.94 | 0.027 |
| Proximal lesion, n (%) | 12(80.0%) | 8(47.1%) | 0.055 |
| Significant leukoaraiosis (Fazekas grade ≧ 2), n (%) | 11(73.3%) | 8(47.1%) | 0.131 |
| Severity of stroke | |||
| NIHSS at admission(median[IQR]) | 2.0(1.0–4.0) | 3.0(1.0–5.5) | 0.278 |
| NIHSS at discharge(median[IQR]) | 1.0(0–3.0) | 2.0(1.0–4.0) | 0.628 |
| mRS ≧ 2, n (%) | 4(26.7%) | 5(29.4%) | 1.000 |
MCA middle cerebral artery, SD standard deviation, IQR interquartile range, NIHSS National Institutes of Health Stroke Scale, mRS modified Rankin Scale