Table II.
Laterality in association between site of aberration of head/neck carotid arteries and brain infarction.
| Hemisphere of brain infarction | |||||
|---|---|---|---|---|---|
| Laterality | Left (%) | Bilateral (%) | Right (%) | Subtotal (%) | LI* |
| Left side alone | 5 (6.9) | 4 (5.6) | 2 (2.8) | 11 (15.3) | +0.27 |
| Both sides | 7 (9.7) | 18 (25.0) | 7 (9.7) | 32 (44.4) | 0 |
| Right side alone | 0 (0.0) | 3 (4.2) | 17 (23.6) | 20 (27.8) | -0.85 |
| None | 5 (6.9) | 2 (2.8) | 2 (2.8) | 9 (12.5) | +0.33 |
| Total | 17 (23.5) | 27 (37.6) | 28 (38.9) | 72 (100) | -0.15 |
*
LI (laterality index) = ([left brain infarction] - [right brain infarction])/[subtotal].