Table 3.
Stroke characteristics and electroencephalographic abnormalities.
| EEG | p-value | Generalized Slowing | p-value | Focal slowing | p-value | Epileptiform | p-value | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Normal | Abnormal | No | Yes | No | Yes | No | Yes | |||||
| Number of patients | 100 (48.5%) | 106 (51.5%) | – | 167 (81.1%) | 39 (18.9%) | – | 148 (71.8%) | 58 (28.2%) | – | 197 (95.6%) | 9 (4.4%) | – |
| NIHSS | ||||||||||||
| Median NIHSS (1. and 3. quartile) (range) | 4 (2; 7) (0–25) | 10 (4; 19) (0–35) | <0.05 d,* | 6 (3; 13) (0–35) | 8 (3; 16) (0–31) | 0.324 d | 5 (2; 8.75) (0–31) | 13 (5.75; 23) (0–35) | <0.05 d,* | 6 (3; 13) (0–35) | 8 (1; 14.5) (0–25) | 0.895 d |
| Stroke type | ||||||||||||
| TACI | 0 (0%) | 12 (5.8%) | <0.05 a,* | 11 (5.3%) | 1 (0.5%) | 0.472 a | 2 (1%) | 10 (4.9%) | <0.05 a,* | 11 (5.3%) | 1 (0.5%) | 0.522 a |
| PACI | 24 (11.7%) | 55 (26.7%) | 64 (31.1%) | 15 (7.3%) | 44 (21.4%) | 35 (17%) | 74 (35.9%) | 5 (2.4%) | ||||
| POCI | 7 (3.4%) | 5 (2.4%) | 8 (3.9%) | 4 (1.9%) | 11 (5.3%) | 1 (0.5%) | 12 (5.8%) | 0 (0%) | ||||
| LACI | 69 (33.5%) | 34 (16.5%) | 84 (40.8%) | 19 (9.2%) | 91 (44.2%) | 12 (5.8%) | 100 (48.5%) | 3 (1.5%) | ||||
| Imaging characteristic | ||||||||||||
| MCA | 18 (8.7%) | 59 (28.6%) | <0.05 a,* | 66 (32%) | 11 (5.3%) | 0.103 a | 35 (17%) | 42 (20.4%) | <0.05 a,* | 71 (34.5%) | 6 (2.9%) | 0.568 a |
| ACA | 2 (1%) | 4 (1.9%) | 4 (1.9%) | 2 (1%) | 4 (1.9%) | 2 (1%) | 6 (2.9%) | 0 (0%) | ||||
| PCA | 5 (2.4%) | 5 (2.4%) | 6 (2.9%) | 4 (1.9%) | 9 (4.4%) | 1 (0.5%) | 10 (4.9%) | 0 (0%) | ||||
| Infratentorial | 6 (2.9%) | 3 (1.5%) | 7 (3.4%) | 2 (1%) | 8 (3.9%) | 1 (0.5%) | 9 (4.4%) | 0 (0%) | ||||
| Brainstem | 0 (0%) | 1 (0.5%) | 0 (0%) | 1 (0.5%) | 1 (0.5%) | 0 (0%) | 1 (0.5%) | 0 (0%) | ||||
| Lacunar | 69 (33.5%) | 34 (16.5%) | 84 (40.8%) | 19 (9.2%) | 91 (44.2%) | 12 (5.8%) | 100 (48.5%) | 3 (1.5%) | ||||
a
Pearson’s chi-square test.
b
Fisher’s exact test.
c
Independent t-test.
d
Mann Whitney test.
*
Significant, p<0.05.