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| Type of stroke | All (n=397) | Group I (n=324) | Group II (n=73) | P |
| Large artery atherosclerosis | 169 (42.6%) | 119 (36.7%) | 50 (68.5%) | <0.001 |
| Cardioembolic | 11 (2.8%) | 10 (3.1%) | 1 (1.4%) | 0.697 |
| Small vessel disease | 209 (52.6%) | 190 (58.6%) | 19 (26%) | <0.001 |
| Stroke of undetermined etiology | 8 (2.0%) | 5 (1.5%) | 3 (4.1%) | 0.167 |
