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| Mild Group (n = 624) | Moderate to severe Group (n = 454) | χ2 | P value | |
|---|---|---|---|---|
| Plaque (-) | 261 (69.41%) | 115 (30.59%) | 31.486 | <0.001 |
| Plaque (+) | 363 (51.71%) | 339 (48.29%) |
Plaque (+): carotid plaque group, plaque (−): non-carotid plaque group; Mild Group: NIHSS score ≤ 3; Moderate to severe Group: NIHSS score > 3.
